238253417 has 2 divisors, whose sum is σ = 238253418. Its totient is φ = 238253416.

The previous prime is 238253371. The next prime is 238253429. The reversal of 238253417 is 714352832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214007641 + 24245776 = 14629^2 + 4924^2 .

It is a cyclic number.

It is not a de Polignac number, because 238253417 - 2⁸ = 238253161 is a prime.

It is not a weakly prime, because it can be changed into another prime (238253447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119126708 + 119126709.

It is an arithmetic number, because the mean of its divisors is an integer number (119126709).

Almost surely, 2^238253417 is an apocalyptic number.

It is an amenable number.

238253417 is a deficient number, since it is larger than the sum of its proper divisors (1).

238253417 is an equidigital number, since it uses as much as digits as its factorization.

238253417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 238253417 is about 15435.4597275235. The cubic root of 238253417 is about 619.9353184344.

The spelling of 238253417 in words is "two hundred thirty-eight million, two hundred fifty-three thousand, four hundred seventeen".