25250289042925 has 6 divisors (see below), whose sum is σ = 31310358413258. Its totient is φ = 20200231234320.

The previous prime is 25250289042919. The next prime is 25250289042961. The reversal of 25250289042925 is 52924098205252.

It can be written as a sum of positive squares in 3 ways, for example, as 7134727130281 + 18115561912644 = 2671091^2 + 4256238^2 .

It is not a de Polignac number, because 25250289042925 - 2²³ = 25250280654317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505005780834 + ... + 505005780883.

Almost surely, 2^{25250289042925} is an apocalyptic number.

25250289042925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25250289042925 is a deficient number, since it is larger than the sum of its proper divisors (6060069370333).

25250289042925 is a wasteful number, since it uses less digits than its factorization.

25250289042925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010011561727 (or 1010011561722 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 25250289042925 in words is "twenty-five trillion, two hundred fifty billion, two hundred eighty-nine million, forty-two thousand, nine hundred twenty-five".