56241613 has 2 divisors, whose sum is σ = 56241614. Its totient is φ = 56241612.

The previous prime is 56241583. The next prime is 56241617. The reversal of 56241613 is 31614265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56220004 + 21609 = 7498^2 + 147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56241613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56241617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28120806 + 28120807.

It is an arithmetic number, because the mean of its divisors is an integer number (28120807).

Almost surely, 2^56241613 is an apocalyptic number.

It is an amenable number.

56241613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56241613 is an equidigital number, since it uses as much as digits as its factorization.

56241613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 56241613 is about 7499.4408458231. The cubic root of 56241613 is about 383.1356721770.

Adding to 56241613 its reverse (31614265), we get a palindrome (87855878).

The spelling of 56241613 in words is "fifty-six million, two hundred forty-one thousand, six hundred thirteen".