25260613331 has 4 divisors (see below), whose sum is σ = 25266210192. Its totient is φ = 25255016472.

The previous prime is 25260613277. The next prime is 25260613381. The reversal of 25260613331 is 13331606252.

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 25260613331 - 2⁶ = 25260613267 is a prime.

It is a super-2 number, since 2×25260613331² (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 (25260613381) 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, 2791655 + ... + 2800688.

It is an arithmetic number, because the mean of its divisors is an integer number (6316552548).

Almost surely, 2^25260613331 is an apocalyptic number.

25260613331 is a deficient number, since it is larger than the sum of its proper divisors (5596861).

25260613331 is an equidigital number, since it uses as much as digits as its factorization.

25260613331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596860.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 25260613331 in words is "twenty-five billion, two hundred sixty million, six hundred thirteen thousand, three hundred thirty-one".