232535137 has 4 divisors (see below), whose sum is σ = 240553620. Its totient is φ = 224516656.

The previous prime is 232535117. The next prime is 232535143. The reversal of 232535137 is 731535232.

232535137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 122788561 + 109746576 = 11081^2 + 10476^2 .

It is a cyclic number.

It is not a de Polignac number, because 232535137 - 2²³ = 224146529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232535099 and 232535108.

It is not an unprimeable number, because it can be changed into a prime (232535117) 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, 4009198 + ... + 4009255.

It is an arithmetic number, because the mean of its divisors is an integer number (60138405).

Almost surely, 2^232535137 is an apocalyptic number.

It is an amenable number.

232535137 is a deficient number, since it is larger than the sum of its proper divisors (8018483).

232535137 is an equidigital number, since it uses as much as digits as its factorization.

232535137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018482.

The product of its digits is 18900, while the sum is 31.

The square root of 232535137 is about 15249.1028260682. The cubic root of 232535137 is about 614.9354478703.

The spelling of 232535137 in words is "two hundred thirty-two million, five hundred thirty-five thousand, one hundred thirty-seven".