25972937583 has 4 divisors (see below), whose sum is σ = 34630583448. Its totient is φ = 17315291720.

The previous prime is 25972937567. The next prime is 25972937593. The reversal of 25972937583 is 38573927952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25972937583 - 2⁴ = 25972937567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25972937593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4328822928 + ... + 4328822933.

It is an arithmetic number, because the mean of its divisors is an integer number (8657645862).

Almost surely, 2^25972937583 is an apocalyptic number.

25972937583 is a deficient number, since it is larger than the sum of its proper divisors (8657645865).

25972937583 is an equidigital number, since it uses as much as digits as its factorization.

25972937583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657645864.

The product of its digits is 28576800, while the sum is 60.

The spelling of 25972937583 in words is "twenty-five billion, nine hundred seventy-two million, nine hundred thirty-seven thousand, five hundred eighty-three".