52518757 has 2 divisors, whose sum is σ = 52518758. Its totient is φ = 52518756.

The previous prime is 52518749. The next prime is 52518769. The reversal of 52518757 is 75781525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50211396 + 2307361 = 7086^2 + 1519^2 .

It is a cyclic number.

It is not a de Polignac number, because 52518757 - 2³ = 52518749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52518727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26259378 + 26259379.

It is an arithmetic number, because the mean of its divisors is an integer number (26259379).

Almost surely, 2^52518757 is an apocalyptic number.

It is an amenable number.

52518757 is a deficient number, since it is larger than the sum of its proper divisors (1).

52518757 is an equidigital number, since it uses as much as digits as its factorization.

52518757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98000, while the sum is 40.

The square root of 52518757 is about 7246.9826134744. The cubic root of 52518757 is about 374.4882073146.

The spelling of 52518757 in words is "fifty-two million, five hundred eighteen thousand, seven hundred fifty-seven".