25959025 has 9 divisors (see below), whose sum is σ = 32220811. Its totient is φ = 20746840.

The previous prime is 25958963. The next prime is 25959067. The reversal of 25959025 is 52095952.

The square root of 25959025 is 5095.

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., 9345249 + 16613776 = 3057^2 + 4076^2 .

It is not a de Polignac number, because 25959025 - 2¹³ = 25950833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24966 + ... + 25984.

Almost surely, 2^25959025 is an apocalyptic number.

25959025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25959025 is the 5095-th square number.

25959025 is the 2548-th centered octagonal number.

It is an amenable number.

25959025 is a deficient number, since it is larger than the sum of its proper divisors (6261786).

25959025 is an frugal number, since it uses more digits than its factorization.

25959025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The cubic root of 25959025 is about 296.0938990202.

The spelling of 25959025 in words is "twenty-five million, nine hundred fifty-nine thousand, twenty-five".