25262625264025 has 6 divisors (see below), whose sum is σ = 31325655327422. Its totient is φ = 20210100211200.

The previous prime is 25262625263957. The next prime is 25262625264053. The reversal of 25262625264025 is 52046252626252.

It can be written as a sum of positive squares in 3 ways, for example, as 1306455858009 + 23956169406016 = 1143003^2 + 4894504^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25262625264025 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 25262625264025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505252505256 + ... + 505252505305.

Almost surely, 2^{25262625264025} is an apocalyptic number.

25262625264025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25262625264025 is a deficient number, since it is larger than the sum of its proper divisors (6063030063397).

25262625264025 is a wasteful number, since it uses less digits than its factorization.

25262625264025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010505010571 (or 1010505010566 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 25262625264025 in words is "twenty-five trillion, two hundred sixty-two billion, six hundred twenty-five million, two hundred sixty-four thousand, twenty-five".