232665551 has 2 divisors, whose sum is σ = 232665552. Its totient is φ = 232665550.

The previous prime is 232665547. The next prime is 232665577. The reversal of 232665551 is 155566232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232665551 - 2² = 232665547 is a prime.

It is a super-3 number, since 3×232665551³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232665581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116332775 + 116332776.

It is an arithmetic number, because the mean of its divisors is an integer number (116332776).

Almost surely, 2^232665551 is an apocalyptic number.

232665551 is a deficient number, since it is larger than the sum of its proper divisors (1).

232665551 is an equidigital number, since it uses as much as digits as its factorization.

232665551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 35.

The square root of 232665551 is about 15253.3783471072. The cubic root of 232665551 is about 615.0503856311.

The spelling of 232665551 in words is "two hundred thirty-two million, six hundred sixty-five thousand, five hundred fifty-one".