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265527025 = 5232592
BaseRepresentation
bin11111101001110…
…01111011110001
3200111122011121021
433310321323301
51020433331100
642203055441
76402641161
oct1764717361
9614564537
10265527025
11126979425
1274b11581
134301abaa
142739c5a1
151849ea1a
hexfd39ef1

265527025 has 9 divisors (see below), whose sum is σ = 329354571. Its totient is φ = 212356440.

The previous prime is 265527023. The next prime is 265527037. The reversal of 265527025 is 520725562.

The square root of 265527025 is 16295.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 95589729 + 169937296 = 9777^2 + 13036^2 .

It is not a de Polignac number, because 265527025 - 21 = 265527023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265527023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 79846 + ... + 83104.

Almost surely, 2265527025 is an apocalyptic number.

265527025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

265527025 is the 16295-th square number.

265527025 is the 8148-th centered octagonal number.

It is an amenable number.

265527025 is a deficient number, since it is larger than the sum of its proper divisors (63827546).

265527025 is an frugal number, since it uses more digits than its factorization.

265527025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528 (or 3264 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The cubic root of 265527025 is about 642.7413538077.

The spelling of 265527025 in words is "two hundred sixty-five million, five hundred twenty-seven thousand, twenty-five".

Divisors: 1 5 25 3259 16295 81475 10621081 53105405 265527025