56252513 has 2 divisors, whose sum is σ = 56252514. Its totient is φ = 56252512.

The previous prime is 56252509. The next prime is 56252527. The reversal of 56252513 is 31525265.

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., 30780304 + 25472209 = 5548^2 + 5047^2 .

It is a cyclic number.

It is not a de Polignac number, because 56252513 - 2² = 56252509 is a prime.

It is not a weakly prime, because it can be changed into another prime (56252593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28126256 + 28126257.

It is an arithmetic number, because the mean of its divisors is an integer number (28126257).

Almost surely, 2^56252513 is an apocalyptic number.

It is an amenable number.

56252513 is a deficient number, since it is larger than the sum of its proper divisors (1).

56252513 is an equidigital number, since it uses as much as digits as its factorization.

56252513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 56252513 is about 7500.1675314622. The cubic root of 56252513 is about 383.1604219951.

Adding to 56252513 its reverse (31525265), we get a palindrome (87777778).

It can be divided in two parts, 56252 and 513, that added together give a palindrome (56765).

The spelling of 56252513 in words is "fifty-six million, two hundred fifty-two thousand, five hundred thirteen".