230772257 has 2 divisors, whose sum is σ = 230772258. Its totient is φ = 230772256.

The previous prime is 230772239. The next prime is 230772281. The reversal of 230772257 is 752277032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230766481 + 5776 = 15191^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 230772257 - 2⁸ = 230772001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230772557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115386128 + 115386129.

It is an arithmetic number, because the mean of its divisors is an integer number (115386129).

Almost surely, 2^230772257 is an apocalyptic number.

It is an amenable number.

230772257 is a deficient number, since it is larger than the sum of its proper divisors (1).

230772257 is an equidigital number, since it uses as much as digits as its factorization.

230772257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 230772257 is about 15191.1901113771. The cubic root of 230772257 is about 613.3775349826.

The spelling of 230772257 in words is "two hundred thirty million, seven hundred seventy-two thousand, two hundred fifty-seven".