25213160539 has 4 divisors (see below), whose sum is σ = 28815040624. Its totient is φ = 21611280456.

The previous prime is 25213160509. The next prime is 25213160551. The reversal of 25213160539 is 93506131252.

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 25213160539 - 2¹¹ = 25213158491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25213160498 and 25213160507.

It is not an unprimeable number, because it can be changed into a prime (25213160509) 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, 1800940032 + ... + 1800940045.

It is an arithmetic number, because the mean of its divisors is an integer number (7203760156).

Almost surely, 2^25213160539 is an apocalyptic number.

25213160539 is a deficient number, since it is larger than the sum of its proper divisors (3601880085).

25213160539 is an equidigital number, since it uses as much as digits as its factorization.

25213160539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601880084.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 25213160539 in words is "twenty-five billion, two hundred thirteen million, one hundred sixty thousand, five hundred thirty-nine".