152513231 has 4 divisors (see below), whose sum is σ = 164245032. Its totient is φ = 140781432.

The previous prime is 152513227. The next prime is 152513267. The reversal of 152513231 is 132315251.

It is a happy number.

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 152513231 - 2² = 152513227 is a prime.

It is a super-2 number, since 2×152513231² = 46520571260118722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152513197 and 152513206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152513201) 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, 5865881 + ... + 5865906.

It is an arithmetic number, because the mean of its divisors is an integer number (41061258).

Almost surely, 2^152513231 is an apocalyptic number.

152513231 is a deficient number, since it is larger than the sum of its proper divisors (11731801).

152513231 is a wasteful number, since it uses less digits than its factorization.

152513231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11731800.

The product of its digits is 900, while the sum is 23.

The square root of 152513231 is about 12349.6247311406. The cubic root of 152513231 is about 534.2803156843.

Adding to 152513231 its reverse (132315251), we get a palindrome (284828482).

The spelling of 152513231 in words is "one hundred fifty-two million, five hundred thirteen thousand, two hundred thirty-one".