531413999 has 8 divisors (see below), whose sum is σ = 563563008. Its totient is φ = 499363840.

The previous prime is 531413989. The next prime is 531414019. The reversal of 531413999 is 999314135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531413999 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 (531413989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13487 + ... + 35280.

It is an arithmetic number, because the mean of its divisors is an integer number (70445376).

Almost surely, 2^531413999 is an apocalyptic number.

531413999 is a deficient number, since it is larger than the sum of its proper divisors (32149009).

531413999 is a wasteful number, since it uses less digits than its factorization.

531413999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49425.

The product of its digits is 131220, while the sum is 44.

The square root of 531413999 is about 23052.4185065255. The cubic root of 531413999 is about 809.9862818385.

The spelling of 531413999 in words is "five hundred thirty-one million, four hundred thirteen thousand, nine hundred ninety-nine".