232620551 has 8 divisors (see below), whose sum is σ = 247315680. Its totient is φ = 218307232.

The previous prime is 232620529. The next prime is 232620569. The reversal of 232620551 is 155026232.

232620551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 232620551 - 2¹⁸ = 232358407 is a prime.

It is a super-2 number, since 2×232620551² = 108224641495087202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232620551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232620581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94196 + ... + 96633.

It is an arithmetic number, because the mean of its divisors is an integer number (30914460).

Almost surely, 2^232620551 is an apocalyptic number.

232620551 is a deficient number, since it is larger than the sum of its proper divisors (14695129).

232620551 is a wasteful number, since it uses less digits than its factorization.

232620551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190905.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 232620551 is about 15251.9031927166. The cubic root of 232620551 is about 615.0107306388.

Adding to 232620551 its reverse (155026232), we get a palindrome (387646783).

The spelling of 232620551 in words is "two hundred thirty-two million, six hundred twenty thousand, five hundred fifty-one".