40560613 has 4 divisors (see below), whose sum is σ = 40870368. Its totient is φ = 40250860.

The previous prime is 40560601. The next prime is 40560629. The reversal of 40560613 is 31606504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40560613 - 2⁵ = 40560581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40560673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154681 + ... + 154942.

It is an arithmetic number, because the mean of its divisors is an integer number (10217592).

Almost surely, 2^40560613 is an apocalyptic number.

It is an amenable number.

40560613 is a deficient number, since it is larger than the sum of its proper divisors (309755).

40560613 is a wasteful number, since it uses less digits than its factorization.

40560613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309754.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 40560613 is about 6368.7214572471. The cubic root of 40560613 is about 343.5855072823.

The spelling of 40560613 in words is "forty million, five hundred sixty thousand, six hundred thirteen".