413631261 has 6 divisors (see below), whose sum is σ = 597467390. Its totient is φ = 275754168.

The previous prime is 413631223. The next prime is 413631269. The reversal of 413631261 is 162136314.

413631261 is a `hidden beast` number, since 4 + 1 + 3 + 631 + 26 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 295496100 + 118135161 = 17190^2 + 10869^2 .

It is not a de Polignac number, because 413631261 - 2¹³ = 413623069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413631269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22979506 + ... + 22979523.

Almost surely, 2^413631261 is an apocalyptic number.

It is an amenable number.

413631261 is a deficient number, since it is larger than the sum of its proper divisors (183836129).

413631261 is a wasteful number, since it uses less digits than its factorization.

413631261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45959035 (or 45959032 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 413631261 is about 20337.9266642399. The cubic root of 413631261 is about 745.0826513710.

Adding to 413631261 its reverse (162136314), we get a palindrome (575767575).

It can be divided in two parts, 41363 and 1261, that added together give a palindrome (42624).

The spelling of 413631261 in words is "four hundred thirteen million, six hundred thirty-one thousand, two hundred sixty-one".