408572113 has 4 divisors (see below), whose sum is σ = 408631860. Its totient is φ = 408512368.

The previous prime is 408572077. The next prime is 408572119. The reversal of 408572113 is 311275804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55771024 + 352801089 = 7468^2 + 18783^2 .

It is a cyclic number.

It is not a de Polignac number, because 408572113 - 2¹³ = 408563921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408572119) 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, 18058 + ... + 33811.

It is an arithmetic number, because the mean of its divisors is an integer number (102157965).

Almost surely, 2^408572113 is an apocalyptic number.

It is an amenable number.

408572113 is a deficient number, since it is larger than the sum of its proper divisors (59747).

408572113 is an equidigital number, since it uses as much as digits as its factorization.

408572113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59746.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 408572113 is about 20213.1668226431. The cubic root of 408572113 is about 742.0324652864.

The spelling of 408572113 in words is "four hundred eight million, five hundred seventy-two thousand, one hundred thirteen".