232251989 has 8 divisors (see below), whose sum is σ = 237883392. Its totient is φ = 226666960.

The previous prime is 232251973. The next prime is 232252019. The reversal of 232251989 is 989152232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232251989 - 2⁴ = 232251973 is a prime.

It is a super-2 number, since 2×232251989² = 107881972788912242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232251959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349 + ... + 21594.

It is an arithmetic number, because the mean of its divisors is an integer number (29735424).

Almost surely, 2^232251989 is an apocalyptic number.

It is an amenable number.

232251989 is a deficient number, since it is larger than the sum of its proper divisors (5631403).

232251989 is a wasteful number, since it uses less digits than its factorization.

232251989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23187.

The product of its digits is 77760, while the sum is 41.

The square root of 232251989 is about 15239.8159109617. The cubic root of 232251989 is about 614.6857530440.

The spelling of 232251989 in words is "two hundred thirty-two million, two hundred fifty-one thousand, nine hundred eighty-nine".