531363995 has 4 divisors (see below), whose sum is σ = 637636800. Its totient is φ = 425091192.

The previous prime is 531363979. The next prime is 531364003. The reversal of 531363995 is 599363135.

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

It is a cyclic number.

It is not a de Polignac number, because 531363995 - 2⁴ = 531363979 is a prime.

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, 53136395 + ... + 53136404.

It is an arithmetic number, because the mean of its divisors is an integer number (159409200).

Almost surely, 2^531363995 is an apocalyptic number.

531363995 is a deficient number, since it is larger than the sum of its proper divisors (106272805).

531363995 is a wasteful number, since it uses less digits than its factorization.

531363995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106272804.

The product of its digits is 328050, while the sum is 44.

The square root of 531363995 is about 23051.3339093424. Note that the first 3 decimals coincide. The cubic root of 531363995 is about 809.9608755171.

The spelling of 531363995 in words is "five hundred thirty-one million, three hundred sixty-three thousand, nine hundred ninety-five".