2525615431 has 2 divisors, whose sum is σ = 2525615432. Its totient is φ = 2525615430.

The previous prime is 2525615429. The next prime is 2525615437. The reversal of 2525615431 is 1345165252.

2525615431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2525615431 - 2¹ = 2525615429 is a prime.

It is a super-2 number, since 2×2525615431² = 12757466610610631522, which contains 22 as substring.

Together with 2525615429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525615437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262807715 + 1262807716.

It is an arithmetic number, because the mean of its divisors is an integer number (1262807716).

Almost surely, 2^2525615431 is an apocalyptic number.

2525615431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525615431 is an equidigital number, since it uses as much as digits as its factorization.

2525615431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 34.

The square root of 2525615431 is about 50255.5014998358. The cubic root of 2525615431 is about 1361.8284645857.

The spelling of 2525615431 in words is "two billion, five hundred twenty-five million, six hundred fifteen thousand, four hundred thirty-one".