152672531 has 4 divisors (see below), whose sum is σ = 166551864. Its totient is φ = 138793200.

The previous prime is 152672519. The next prime is 152672539. The reversal of 152672531 is 135276251.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152672531 is a prime.

It is a super-3 number, since 3×152672531³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152672539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6939650 + ... + 6939671.

It is an arithmetic number, because the mean of its divisors is an integer number (41637966).

Almost surely, 2^152672531 is an apocalyptic number.

152672531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

152672531 is a deficient number, since it is larger than the sum of its proper divisors (13879333).

152672531 is a wasteful number, since it uses less digits than its factorization.

152672531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13879332.

The product of its digits is 12600, while the sum is 32.

The square root of 152672531 is about 12356.0726365622. The cubic root of 152672531 is about 534.4662694715.

The spelling of 152672531 in words is "one hundred fifty-two million, six hundred seventy-two thousand, five hundred thirty-one".