407161331 has 2 divisors, whose sum is σ = 407161332. Its totient is φ = 407161330.

The previous prime is 407161327. The next prime is 407161361. The reversal of 407161331 is 133161704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 407161331 - 2² = 407161327 is a prime.

It is a super-2 number, since 2×407161331² = 331560698923383122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 407161331.

It is not a weakly prime, because it can be changed into another prime (407161361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203580665 + 203580666.

It is an arithmetic number, because the mean of its divisors is an integer number (203580666).

Almost surely, 2^407161331 is an apocalyptic number.

407161331 is a deficient number, since it is larger than the sum of its proper divisors (1).

407161331 is an equidigital number, since it uses as much as digits as its factorization.

407161331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 407161331 is about 20178.2390460615. The cubic root of 407161331 is about 741.1774116058.

The spelling of 407161331 in words is "four hundred seven million, one hundred sixty-one thousand, three hundred thirty-one".