52402997 has 2 divisors, whose sum is σ = 52402998. Its totient is φ = 52402996.

The previous prime is 52402967. The next prime is 52403003. The reversal of 52402997 is 79920425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52041796 + 361201 = 7214^2 + 601^2 .

It is a cyclic number.

It is not a de Polignac number, because 52402997 - 2¹⁴ = 52386613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52402997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52402907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26201498 + 26201499.

It is an arithmetic number, because the mean of its divisors is an integer number (26201499).

Almost surely, 2^52402997 is an apocalyptic number.

It is an amenable number.

52402997 is a deficient number, since it is larger than the sum of its proper divisors (1).

52402997 is an equidigital number, since it uses as much as digits as its factorization.

52402997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 52402997 is about 7238.9914352760. The cubic root of 52402997 is about 374.2128603265.

The spelling of 52402997 in words is "fifty-two million, four hundred two thousand, nine hundred ninety-seven".