264550225 has 9 divisors (see below), whose sum is σ = 328143153. Its totient is φ = 211575120.

The previous prime is 264550217. The next prime is 264550241. The reversal of 264550225 is 522055462.

It is a happy number.

The square root of 264550225 is 16265.

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

It can be written as a sum of positive squares in 4 ways, for example, as 77845329 + 186704896 = 8823^2 + 13664^2 .

It is not a de Polignac number, because 264550225 - 2³ = 264550217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 79699 + ... + 82951.

Almost surely, 2^264550225 is an apocalyptic number.

264550225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264550225 is the 16265-th square number.

264550225 is the 8133-rd centered octagonal number.

It is an amenable number.

264550225 is a deficient number, since it is larger than the sum of its proper divisors (63592928).

264550225 is an frugal number, since it uses more digits than its factorization.

264550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The cubic root of 264550225 is about 641.9522298608.

The spelling of 264550225 in words is "two hundred sixty-four million, five hundred fifty thousand, two hundred twenty-five".