25852739131 has 4 divisors (see below), whose sum is σ = 26038730200. Its totient is φ = 25666748064.

The previous prime is 25852739119. The next prime is 25852739141. The reversal of 25852739131 is 13193725852.

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 25852739131 - 2⁹ = 25852738619 is a prime.

It is a super-2 number, since 2×25852739131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25852739141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92995326 + ... + 92995603.

It is an arithmetic number, because the mean of its divisors is an integer number (6509682550).

Almost surely, 2^25852739131 is an apocalyptic number.

25852739131 is a deficient number, since it is larger than the sum of its proper divisors (185991069).

25852739131 is a wasteful number, since it uses less digits than its factorization.

25852739131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185991068.

The product of its digits is 453600, while the sum is 46.

The spelling of 25852739131 in words is "twenty-five billion, eight hundred fifty-two million, seven hundred thirty-nine thousand, one hundred thirty-one".