25314401025 has 27 divisors (see below), whose sum is σ = 45345179971. Its totient is φ = 13499741040.

The previous prime is 25314401017. The next prime is 25314401039. The reversal of 25314401025 is 52010441352.

The square root of 25314401025 is 159105.

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

25314401025 is a `hidden beast` number, since 253 + 1 + 4 + 401 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9113184369 + 16201216656 = 95463^2 + 127284^2 .

It is not a de Polignac number, because 25314401025 - 2³ = 25314401017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25314401025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2381272 + ... + 2391878.

Almost surely, 2^25314401025 is an apocalyptic number.

25314401025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25314401025 is the 159105-th square number.

25314401025 is the 79553-rd centered octagonal number.

It is an amenable number.

25314401025 is a deficient number, since it is larger than the sum of its proper divisors (20030778946).

25314401025 is an frugal number, since it uses more digits than its factorization.

25314401025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21230 (or 10615 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 25314401025 its reverse (52010441352), we get a palindrome (77324842377).

The spelling of 25314401025 in words is "twenty-five billion, three hundred fourteen million, four hundred one thousand, twenty-five".