238252057 has 2 divisors, whose sum is σ = 238252058. Its totient is φ = 238252056.

The previous prime is 238252033. The next prime is 238252061. The reversal of 238252057 is 750252832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175589001 + 62663056 = 13251^2 + 7916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238252057 is a prime.

It is not a weakly prime, because it can be changed into another prime (238252087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119126028 + 119126029.

It is an arithmetic number, because the mean of its divisors is an integer number (119126029).

Almost surely, 2^238252057 is an apocalyptic number.

It is an amenable number.

238252057 is a deficient number, since it is larger than the sum of its proper divisors (1).

238252057 is an equidigital number, since it uses as much as digits as its factorization.

238252057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 238252057 is about 15435.4156730553. The cubic root of 238252057 is about 619.9341388590.

The spelling of 238252057 in words is "two hundred thirty-eight million, two hundred fifty-two thousand, fifty-seven".