232515151 has 4 divisors (see below), whose sum is σ = 253652904. Its totient is φ = 211377400.

The previous prime is 232515149. The next prime is 232515161. The reversal of 232515151 is 151515232.

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 232515151 - 2¹ = 232515149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232515161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10568860 + ... + 10568881.

It is an arithmetic number, because the mean of its divisors is an integer number (63413226).

Almost surely, 2^232515151 is an apocalyptic number.

232515151 is a deficient number, since it is larger than the sum of its proper divisors (21137753).

232515151 is a wasteful number, since it uses less digits than its factorization.

232515151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21137752.

The product of its digits is 1500, while the sum is 25.

The square root of 232515151 is about 15248.4474947452. The cubic root of 232515151 is about 614.9178298131.

The spelling of 232515151 in words is "two hundred thirty-two million, five hundred fifteen thousand, one hundred fifty-one".