52052513 has 2 divisors, whose sum is σ = 52052514. Its totient is φ = 52052512.

The previous prime is 52052509. The next prime is 52052549. The reversal of 52052513 is 31525025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39150049 + 12902464 = 6257^2 + 3592^2 .

It is a cyclic number.

It is not a de Polignac number, because 52052513 - 2² = 52052509 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52052563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26026256 + 26026257.

It is an arithmetic number, because the mean of its divisors is an integer number (26026257).

Almost surely, 2^52052513 is an apocalyptic number.

It is an amenable number.

52052513 is a deficient number, since it is larger than the sum of its proper divisors (1).

52052513 is an equidigital number, since it uses as much as digits as its factorization.

52052513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 52052513 is about 7214.7427535568. The cubic root of 52052513 is about 373.3767178713.

Adding to 52052513 its reverse (31525025), we get a palindrome (83577538).

The spelling of 52052513 in words is "fifty-two million, fifty-two thousand, five hundred thirteen".