415631 has 2 divisors, whose sum is σ = 415632. Its totient is φ = 415630.

The previous prime is 415627. The next prime is 415643. The reversal of 415631 is 136514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 415631 - 2² = 415627 is a prime.

It is a super-2 number, since 2×415631² = 345498256322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207815 + 207816.

It is an arithmetic number, because the mean of its divisors is an integer number (207816).

2⁴¹⁵⁶³¹ is an apocalyptic number.

415631 is a deficient number, since it is larger than the sum of its proper divisors (1).

415631 is an equidigital number, since it uses as much as digits as its factorization.

415631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 415631 is about 644.6945012950. The cubic root of 415631 is about 74.6281445458.

The spelling of 415631 in words is "four hundred fifteen thousand, six hundred thirty-one".