52590491 has 2 divisors, whose sum is σ = 52590492. Its totient is φ = 52590490.

The previous prime is 52590467. The next prime is 52590493. The reversal of 52590491 is 19409525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52590491 is a prime.

Together with 52590493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52590493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26295245 + 26295246.

It is an arithmetic number, because the mean of its divisors is an integer number (26295246).

Almost surely, 2^52590491 is an apocalyptic number.

52590491 is a deficient number, since it is larger than the sum of its proper divisors (1).

52590491 is an equidigital number, since it uses as much as digits as its factorization.

52590491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 52590491 is about 7251.9301568617. The cubic root of 52590491 is about 374.6586309698.

The spelling of 52590491 in words is "fifty-two million, five hundred ninety thousand, four hundred ninety-one".