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3258025 = 52194
BaseRepresentation
bin1100011011011010101001
320010112011121
430123122221
51313224100
6153455241
736456421
oct14333251
96115147
103258025
111925891
121111521
138a0c34
1460b481
1544551a
hex31b6a9

3258025 has 15 divisors (see below), whose sum is σ = 4264391. Its totient is φ = 2469240.

The previous prime is 3258001. The next prime is 3258029. The reversal of 3258025 is 5208523.

The square root of 3258025 is 1805.

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., 1172889 + 2085136 = 1083^2 + 1444^2 .

It is not a de Polignac number, because 3258025 - 213 = 3249833 is a prime.

It is a super-2 number, since 2×32580252 = 21229453801250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3258029) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 171466 + ... + 171484.

Almost surely, 23258025 is an apocalyptic number.

3258025 is the 1805-th square number.

3258025 is the 903-rd centered octagonal number.

It is an amenable number.

3258025 is a deficient number, since it is larger than the sum of its proper divisors (1006366).

3258025 is an frugal number, since it uses more digits than its factorization.

3258025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The cubic root of 3258025 is about 148.2466213172.

Multiplying 3258025 by its sum of digits (25), we get a 4-th power (81450625 = 954).

3258025 divided by its sum of digits (25) gives a 4-th power (130321 = 194).

The spelling of 3258025 in words is "three million, two hundred fifty-eight thousand, twenty-five".