531316005 has 16 divisors (see below), whose sum is σ = 927388224. Its totient is φ = 257607680.

The previous prime is 531315979. The next prime is 531316013. The reversal of 531316005 is 500613135.

It is not a de Polignac number, because 531316005 - 2⁷ = 531315877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609884 + ... + 1610213.

It is an arithmetic number, because the mean of its divisors is an integer number (57961764).

Almost surely, 2^531316005 is an apocalyptic number.

531316005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531316005 is a deficient number, since it is larger than the sum of its proper divisors (396072219).

531316005 is a wasteful number, since it uses less digits than its factorization.

531316005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220116.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 531316005 is about 23050.2929482469. The cubic root of 531316005 is about 809.9364909816.

The spelling of 531316005 in words is "five hundred thirty-one million, three hundred sixteen thousand, five".