531627497 has 4 divisors (see below), whose sum is σ = 554741760. Its totient is φ = 508513236.

The previous prime is 531627493. The next prime is 531627517. The reversal of 531627497 is 794726135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 531627497 - 2² = 531627493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531627493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11557097 + ... + 11557142.

It is an arithmetic number, because the mean of its divisors is an integer number (138685440).

Almost surely, 2^531627497 is an apocalyptic number.

It is an amenable number.

531627497 is a deficient number, since it is larger than the sum of its proper divisors (23114263).

531627497 is a wasteful number, since it uses less digits than its factorization.

531627497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23114262.

The product of its digits is 317520, while the sum is 44.

The square root of 531627497 is about 23057.0487487016. The cubic root of 531627497 is about 810.0947392108.

The spelling of 531627497 in words is "five hundred thirty-one million, six hundred twenty-seven thousand, four hundred ninety-seven".