25752860525 has 24 divisors (see below), whose sum is σ = 36554594880. Its totient is φ = 17630501760.

The previous prime is 25752860521. The next prime is 25752860543. The reversal of 25752860525 is 52506825752.

It is not a de Polignac number, because 25752860525 - 2² = 25752860521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25752860525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25752860521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10544 + ... + 227193.

It is an arithmetic number, because the mean of its divisors is an integer number (1523108120).

Almost surely, 2^25752860525 is an apocalyptic number.

25752860525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25752860525 is a deficient number, since it is larger than the sum of its proper divisors (10801734355).

25752860525 is a wasteful number, since it uses less digits than its factorization.

25752860525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238373 (or 238368 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 25752860525 in words is "twenty-five billion, seven hundred fifty-two million, eight hundred sixty thousand, five hundred twenty-five".