25231237241 has 6 divisors (see below), whose sum is σ = 29350622970. Its totient is φ = 21626774736.

The previous prime is 25231237219. The next prime is 25231237261. The reversal of 25231237241 is 14273213252.

It can be written as a sum of positive squares in only one way, i.e., 24210115216 + 1021122025 = 155596^2 + 31955^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25231237241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25231237198 and 25231237207.

It is not an unprimeable number, because it can be changed into a prime (25231237201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257461556 + ... + 257461653.

It is an arithmetic number, because the mean of its divisors is an integer number (4891770495).

Almost surely, 2^25231237241 is an apocalyptic number.

It is an amenable number.

25231237241 is a deficient number, since it is larger than the sum of its proper divisors (4119385729).

25231237241 is an equidigital number, since it uses as much as digits as its factorization.

25231237241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514923223 (or 514923216 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The spelling of 25231237241 in words is "twenty-five billion, two hundred thirty-one million, two hundred thirty-seven thousand, two hundred forty-one".