413631397 has 2 divisors, whose sum is σ = 413631398. Its totient is φ = 413631396.

The previous prime is 413631367. The next prime is 413631457. The reversal of 413631397 is 793136314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363703041 + 49928356 = 19071^2 + 7066^2 .

It is a cyclic number.

It is not a de Polignac number, because 413631397 - 2⁷ = 413631269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413631307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206815698 + 206815699.

It is an arithmetic number, because the mean of its divisors is an integer number (206815699).

Almost surely, 2^413631397 is an apocalyptic number.

It is an amenable number.

413631397 is a deficient number, since it is larger than the sum of its proper divisors (1).

413631397 is an equidigital number, since it uses as much as digits as its factorization.

413631397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 413631397 is about 20337.9300077466. The cubic root of 413631397 is about 745.0827330309.

The spelling of 413631397 in words is "four hundred thirteen million, six hundred thirty-one thousand, three hundred ninety-seven".