53202491 has 2 divisors, whose sum is σ = 53202492. Its totient is φ = 53202490.

The previous prime is 53202467. The next prime is 53202493. The reversal of 53202491 is 19420235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53202491 - 2²² = 49008187 is a prime.

Together with 53202493, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53202491.

It is not a weakly prime, because it can be changed into another prime (53202493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26601245 + 26601246.

It is an arithmetic number, because the mean of its divisors is an integer number (26601246).

Almost surely, 2^53202491 is an apocalyptic number.

53202491 is a deficient number, since it is larger than the sum of its proper divisors (1).

53202491 is an equidigital number, since it uses as much as digits as its factorization.

53202491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 53202491 is about 7294.0037702211. The cubic root of 53202491 is about 376.1063411114.

The spelling of 53202491 in words is "fifty-three million, two hundred two thousand, four hundred ninety-one".