232156961 has 2 divisors, whose sum is σ = 232156962. Its totient is φ = 232156960.

The previous prime is 232156949. The next prime is 232156973. The reversal of 232156961 is 169651232.

It is a balanced prime because it is at equal distance from previous prime (232156949) and next prime (232156973).

It can be written as a sum of positive squares in only one way, i.e., 215502400 + 16654561 = 14680^2 + 4081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232156961 is a prime.

It is not a weakly prime, because it can be changed into another prime (232156901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116078480 + 116078481.

It is an arithmetic number, because the mean of its divisors is an integer number (116078481).

Almost surely, 2^232156961 is an apocalyptic number.

It is an amenable number.

232156961 is a deficient number, since it is larger than the sum of its proper divisors (1).

232156961 is an equidigital number, since it uses as much as digits as its factorization.

232156961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 232156961 is about 15236.6978377862. The cubic root of 232156961 is about 614.6019068640.

The spelling of 232156961 in words is "two hundred thirty-two million, one hundred fifty-six thousand, nine hundred sixty-one".