2565027631 has 2 divisors, whose sum is σ = 2565027632. Its totient is φ = 2565027630.

The previous prime is 2565027589. The next prime is 2565027659. The reversal of 2565027631 is 1367205652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2565027631 - 2¹⁷ = 2564896559 is a prime.

It is a super-2 number, since 2×2565027631² = 13158733495586944322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2565927631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282513815 + 1282513816.

It is an arithmetic number, because the mean of its divisors is an integer number (1282513816).

Almost surely, 2^2565027631 is an apocalyptic number.

2565027631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565027631 is an equidigital number, since it uses as much as digits as its factorization.

2565027631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 2565027631 is about 50646.1018341985. The cubic root of 2565027631 is about 1368.8757059030.

The spelling of 2565027631 in words is "two billion, five hundred sixty-five million, twenty-seven thousand, six hundred thirty-one".