52902491 has 2 divisors, whose sum is σ = 52902492. Its totient is φ = 52902490.

The previous prime is 52902481. The next prime is 52902497. The reversal of 52902491 is 19420925.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52902491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52902497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26451245 + 26451246.

It is an arithmetic number, because the mean of its divisors is an integer number (26451246).

Almost surely, 2^52902491 is an apocalyptic number.

52902491 is a deficient number, since it is larger than the sum of its proper divisors (1).

52902491 is an equidigital number, since it uses as much as digits as its factorization.

52902491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 52902491 is about 7273.4098605812. The cubic root of 52902491 is about 375.3980744669.

The spelling of 52902491 in words is "fifty-two million, nine hundred two thousand, four hundred ninety-one".