431074513 has 4 divisors (see below), whose sum is σ = 432608868. Its totient is φ = 429540160.

The previous prime is 431074507. The next prime is 431074529. The reversal of 431074513 is 315470134.

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 178169104 + 252905409 = 13348^2 + 15903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431074513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431074213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766756 + ... + 767317.

It is an arithmetic number, because the mean of its divisors is an integer number (108152217).

Almost surely, 2^431074513 is an apocalyptic number.

It is an amenable number.

431074513 is a deficient number, since it is larger than the sum of its proper divisors (1534355).

431074513 is a wasteful number, since it uses less digits than its factorization.

431074513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534354.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 431074513 is about 20762.3339969282. Note that the first 3 decimals coincide. The cubic root of 431074513 is about 755.4124103875.

The spelling of 431074513 in words is "four hundred thirty-one million, seventy-four thousand, five hundred thirteen".