25000045653525 has 24 divisors (see below), whose sum is σ = 43130513547840. Its totient is φ = 12753646477440.

The previous prime is 25000045653511. The next prime is 25000045653553. The reversal of 25000045653525 is 52535654000052.

It is not a de Polignac number, because 25000045653525 - 2⁵ = 25000045653493 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7246388320 + ... + 7246391769.

It is an arithmetic number, because the mean of its divisors is an integer number (1797104731160).

Almost surely, 2^{25000045653525} is an apocalyptic number.

25000045653525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25000045653525 is a deficient number, since it is larger than the sum of its proper divisors (18130467894315).

25000045653525 is a wasteful number, since it uses less digits than its factorization.

25000045653525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14492780125 (or 14492780120 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

Adding to 25000045653525 its reverse (52535654000052), we get a palindrome (77535699653577).

The spelling of 25000045653525 in words is "twenty-five trillion, forty-five million, six hundred fifty-three thousand, five hundred twenty-five".