431413265 has 4 divisors (see below), whose sum is σ = 517695924. Its totient is φ = 345130608.

The previous prime is 431413249. The next prime is 431413313. The reversal of 431413265 is 562314134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207821056 + 223592209 = 14416^2 + 14953^2 .

It is a cyclic number.

It is not a de Polignac number, because 431413265 - 2⁴ = 431413249 is a prime.

It is a super-2 number, since 2×431413265² = 372234810435920450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43141322 + ... + 43141331.

It is an arithmetic number, because the mean of its divisors is an integer number (129423981).

Almost surely, 2^431413265 is an apocalyptic number.

It is an amenable number.

431413265 is a deficient number, since it is larger than the sum of its proper divisors (86282659).

431413265 is an equidigital number, since it uses as much as digits as its factorization.

431413265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86282658.

The product of its digits is 8640, while the sum is 29.

The square root of 431413265 is about 20770.4902445754. The cubic root of 431413265 is about 755.6102342405.

Adding to 431413265 its reverse (562314134), we get a palindrome (993727399).

The spelling of 431413265 in words is "four hundred thirty-one million, four hundred thirteen thousand, two hundred sixty-five".