9131000572 has 24 divisors (see below), whose sum is σ = 16019568656. Its totient is φ = 4553998848.

The previous prime is 9131000561. The next prime is 9131000579. The reversal of 9131000572 is 2750001319.

It is a self number, because there is not a number n which added to its sum of digits gives 9131000572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9131000579) 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, 3520108 + ... + 3522700.

Almost surely, 2^9131000572 is an apocalyptic number.

It is an amenable number.

9131000572 is a deficient number, since it is larger than the sum of its proper divisors (6888568084).

9131000572 is a wasteful number, since it uses less digits than its factorization.

9131000572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477 (or 4475 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 9131000572 is about 95556.2691402296. The cubic root of 9131000572 is about 2090.1275512610.

The spelling of 9131000572 in words is "nine billion, one hundred thirty-one million, five hundred seventy-two", and thus it is an aban number.