53290613 has 2 divisors, whose sum is σ = 53290614. Its totient is φ = 53290612.

The previous prime is 53290577. The next prime is 53290639. The reversal of 53290613 is 31609235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44863204 + 8427409 = 6698^2 + 2903^2 .

It is a cyclic number.

It is not a de Polignac number, because 53290613 - 2⁸ = 53290357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53290663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26645306 + 26645307.

It is an arithmetic number, because the mean of its divisors is an integer number (26645307).

Almost surely, 2^53290613 is an apocalyptic number.

It is an amenable number.

53290613 is a deficient number, since it is larger than the sum of its proper divisors (1).

53290613 is an equidigital number, since it uses as much as digits as its factorization.

53290613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 53290613 is about 7300.0419861806. The cubic root of 53290613 is about 376.3138812738.

Adding to 53290613 its reverse (31609235), we get a palindrome (84899848).

The spelling of 53290613 in words is "fifty-three million, two hundred ninety thousand, six hundred thirteen".