531064551 has 16 divisors (see below), whose sum is σ = 713827296. Its totient is φ = 351184896.

The previous prime is 531064531. The next prime is 531064553. The reversal of 531064551 is 155460135.

It is not a de Polignac number, because 531064551 - 2⁵ = 531064519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531064553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203511 + ... + 206103.

It is an arithmetic number, because the mean of its divisors is an integer number (44614206).

Almost surely, 2^531064551 is an apocalyptic number.

531064551 is a deficient number, since it is larger than the sum of its proper divisors (182762745).

531064551 is a wasteful number, since it uses less digits than its factorization.

531064551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 531064551 is about 23044.8378384401. The cubic root of 531064551 is about 809.8086989171.

The spelling of 531064551 in words is "five hundred thirty-one million, sixty-four thousand, five hundred fifty-one".