231975053 has 2 divisors, whose sum is σ = 231975054. Its totient is φ = 231975052.

The previous prime is 231975043. The next prime is 231975059. The reversal of 231975053 is 350579132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154306084 + 77668969 = 12422^2 + 8813^2 .

It is a cyclic number.

It is not a de Polignac number, because 231975053 - 2¹² = 231970957 is a prime.

It is equal to p_12745259 and since 231975053 and 12745259 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231975059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115987526 + 115987527.

It is an arithmetic number, because the mean of its divisors is an integer number (115987527).

Almost surely, 2^231975053 is an apocalyptic number.

It is an amenable number.

231975053 is a deficient number, since it is larger than the sum of its proper divisors (1).

231975053 is an equidigital number, since it uses as much as digits as its factorization.

231975053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 231975053 is about 15230.7272643167. The cubic root of 231975053 is about 614.4413398972.

The spelling of 231975053 in words is "two hundred thirty-one million, nine hundred seventy-five thousand, fifty-three".