52406357 has 2 divisors, whose sum is σ = 52406358. Its totient is φ = 52406356.

The previous prime is 52406339. The next prime is 52406377. The reversal of 52406357 is 75360425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29691601 + 22714756 = 5449^2 + 4766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52406357 is a prime.

It is a super-2 number, since 2×52406357² = 5492852508022898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52406317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26203178 + 26203179.

It is an arithmetic number, because the mean of its divisors is an integer number (26203179).

Almost surely, 2^52406357 is an apocalyptic number.

It is an amenable number.

52406357 is a deficient number, since it is larger than the sum of its proper divisors (1).

52406357 is an equidigital number, since it uses as much as digits as its factorization.

52406357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 52406357 is about 7239.2235080843. The cubic root of 52406357 is about 374.2208581409.

The spelling of 52406357 in words is "fifty-two million, four hundred six thousand, three hundred fifty-seven".