230072257 has 2 divisors, whose sum is σ = 230072258. Its totient is φ = 230072256.

The previous prime is 230072221. The next prime is 230072261. The reversal of 230072257 is 752270032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213130801 + 16941456 = 14599^2 + 4116^2 .

It is a cyclic number.

It is not a de Polignac number, because 230072257 - 2²⁷ = 95854529 is a prime.

It is not a weakly prime, because it can be changed into another prime (230072267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115036128 + 115036129.

It is an arithmetic number, because the mean of its divisors is an integer number (115036129).

Almost surely, 2^230072257 is an apocalyptic number.

It is an amenable number.

230072257 is a deficient number, since it is larger than the sum of its proper divisors (1).

230072257 is an equidigital number, since it uses as much as digits as its factorization.

230072257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 230072257 is about 15168.1329437739. The cubic root of 230072257 is about 612.7567221483.

The spelling of 230072257 in words is "two hundred thirty million, seventy-two thousand, two hundred fifty-seven".