232100551 has 2 divisors, whose sum is σ = 232100552. Its totient is φ = 232100550.

The previous prime is 232100537. The next prime is 232100573. The reversal of 232100551 is 155001232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232100551 - 2⁷ = 232100423 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232100581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116050275 + 116050276.

It is an arithmetic number, because the mean of its divisors is an integer number (116050276).

Almost surely, 2^232100551 is an apocalyptic number.

232100551 is a deficient number, since it is larger than the sum of its proper divisors (1).

232100551 is an equidigital number, since it uses as much as digits as its factorization.

232100551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 232100551 is about 15234.8466024440. The cubic root of 232100551 is about 614.5521237319.

Adding to 232100551 its reverse (155001232), we get a palindrome (387101783).

The spelling of 232100551 in words is "two hundred thirty-two million, one hundred thousand, five hundred fifty-one".