230849257 has 2 divisors, whose sum is σ = 230849258. Its totient is φ = 230849256.

The previous prime is 230849249. The next prime is 230849299. The reversal of 230849257 is 752948032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223472601 + 7376656 = 14949^2 + 2716^2 .

It is a cyclic number.

It is not a de Polignac number, because 230849257 - 2³ = 230849249 is a prime.

It is not a weakly prime, because it can be changed into another prime (230843257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115424628 + 115424629.

It is an arithmetic number, because the mean of its divisors is an integer number (115424629).

Almost surely, 2^230849257 is an apocalyptic number.

It is an amenable number.

230849257 is a deficient number, since it is larger than the sum of its proper divisors (1).

230849257 is an equidigital number, since it uses as much as digits as its factorization.

230849257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 230849257 is about 15193.7242636557. The cubic root of 230849257 is about 613.4457477144.

The spelling of 230849257 in words is "two hundred thirty million, eight hundred forty-nine thousand, two hundred fifty-seven".