25253786131 has 8 divisors (see below), whose sum is σ = 28965665120. Its totient is φ = 21567955968.

The previous prime is 25253786113. The next prime is 25253786183. The reversal of 25253786131 is 13168735252.

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 25253786131 - 2²⁷ = 25119568403 is a prime.

It is a super-2 number, since 2×25253786131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25253786531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6510126 + ... + 6514003.

It is an arithmetic number, because the mean of its divisors is an integer number (3620708140).

Almost surely, 2^25253786131 is an apocalyptic number.

25253786131 is a deficient number, since it is larger than the sum of its proper divisors (3711878989).

25253786131 is a wasteful number, since it uses less digits than its factorization.

25253786131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13024413.

The product of its digits is 302400, while the sum is 43.

The spelling of 25253786131 in words is "twenty-five billion, two hundred fifty-three million, seven hundred eighty-six thousand, one hundred thirty-one".