52518769 has 2 divisors, whose sum is σ = 52518770. Its totient is φ = 52518768.

The previous prime is 52518757. The next prime is 52518803. The reversal of 52518769 is 96781525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45158400 + 7360369 = 6720^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 52518769 - 2¹⁷ = 52387697 is a prime.

It is a super-2 number, since 2×52518769² = 5516442194550722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52518709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26259384 + 26259385.

It is an arithmetic number, because the mean of its divisors is an integer number (26259385).

Almost surely, 2^52518769 is an apocalyptic number.

It is an amenable number.

52518769 is a deficient number, since it is larger than the sum of its proper divisors (1).

52518769 is an equidigital number, since it uses as much as digits as its factorization.

52518769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 43.

The square root of 52518769 is about 7246.9834414051. The cubic root of 52518769 is about 374.4882358368.

The spelling of 52518769 in words is "fifty-two million, five hundred eighteen thousand, seven hundred sixty-nine".