52513973 has 2 divisors, whose sum is σ = 52513974. Its totient is φ = 52513972.

The previous prime is 52513963. The next prime is 52514023. The reversal of 52513973 is 37931525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48344209 + 4169764 = 6953^2 + 2042^2 .

It is a cyclic number.

It is not a de Polignac number, because 52513973 - 2¹⁶ = 52448437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52513913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26256986 + 26256987.

It is an arithmetic number, because the mean of its divisors is an integer number (26256987).

Almost surely, 2^52513973 is an apocalyptic number.

It is an amenable number.

52513973 is a deficient number, since it is larger than the sum of its proper divisors (1).

52513973 is an equidigital number, since it uses as much as digits as its factorization.

52513973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 35.

The square root of 52513973 is about 7246.6525375514. The cubic root of 52513973 is about 374.4768361011.

The spelling of 52513973 in words is "fifty-two million, five hundred thirteen thousand, nine hundred seventy-three".