25374920537 has 8 divisors (see below), whose sum is σ = 25987096512. Its totient is φ = 24769822000.

The previous prime is 25374920521. The next prime is 25374920573. The reversal of 25374920537 is 73502947352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25374920537 - 2⁴ = 25374920521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25374920491 and 25374920500.

It is not an unprimeable number, because it can be changed into a prime (25374920507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762103 + ... + 1776444.

It is an arithmetic number, because the mean of its divisors is an integer number (3248387064).

Almost surely, 2^25374920537 is an apocalyptic number.

It is an amenable number.

25374920537 is a deficient number, since it is larger than the sum of its proper divisors (612175975).

25374920537 is a wasteful number, since it uses less digits than its factorization.

25374920537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538719.

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 25374920537 in words is "twenty-five billion, three hundred seventy-four million, nine hundred twenty thousand, five hundred thirty-seven".