238190951 has 2 divisors, whose sum is σ = 238190952. Its totient is φ = 238190950.

The previous prime is 238190923. The next prime is 238190977. The reversal of 238190951 is 159091832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238190951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238190551) 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, 119095475 + 119095476.

It is an arithmetic number, because the mean of its divisors is an integer number (119095476).

Almost surely, 2^238190951 is an apocalyptic number.

238190951 is a deficient number, since it is larger than the sum of its proper divisors (1).

238190951 is an equidigital number, since it uses as much as digits as its factorization.

238190951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 238190951 is about 15433.4361371666. The cubic root of 238190951 is about 619.8811348612.

The spelling of 238190951 in words is "two hundred thirty-eight million, one hundred ninety thousand, nine hundred fifty-one".