52620313 has 2 divisors, whose sum is σ = 52620314. Its totient is φ = 52620312.

The previous prime is 52620283. The next prime is 52620319. The reversal of 52620313 is 31302625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31945104 + 20675209 = 5652^2 + 4547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52620313 is a prime.

It is not a weakly prime, because it can be changed into another prime (52620319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26310156 + 26310157.

It is an arithmetic number, because the mean of its divisors is an integer number (26310157).

Almost surely, 2^52620313 is an apocalyptic number.

It is an amenable number.

52620313 is a deficient number, since it is larger than the sum of its proper divisors (1).

52620313 is an equidigital number, since it uses as much as digits as its factorization.

52620313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 52620313 is about 7253.9860077064. The cubic root of 52620313 is about 374.7294356482.

Adding to 52620313 its reverse (31302625), we get a palindrome (83922938).

The spelling of 52620313 in words is "fifty-two million, six hundred twenty thousand, three hundred thirteen".