472613881 has 2 divisors, whose sum is σ = 472613882. Its totient is φ = 472613880.

The previous prime is 472613873. The next prime is 472613927. The reversal of 472613881 is 188316274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470195856 + 2418025 = 21684^2 + 1555^2 .

It is a cyclic number.

It is not a de Polignac number, because 472613881 - 2³ = 472613873 is a prime.

It is a super-2 number, since 2×472613881² = 446727761027764322, which contains 22 as substring.

It is equal to p_24986650 and since 472613881 and 24986650 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (472613831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236306940 + 236306941.

It is an arithmetic number, because the mean of its divisors is an integer number (236306941).

Almost surely, 2^472613881 is an apocalyptic number.

It is an amenable number.

472613881 is a deficient number, since it is larger than the sum of its proper divisors (1).

472613881 is an equidigital number, since it uses as much as digits as its factorization.

472613881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 472613881 is about 21739.6844733313. The cubic root of 472613881 is about 778.9366844756.

The spelling of 472613881 in words is "four hundred seventy-two million, six hundred thirteen thousand, eight hundred eighty-one".