238001651 has 2 divisors, whose sum is σ = 238001652. Its totient is φ = 238001650.

The previous prime is 238001639. The next prime is 238001669. The reversal of 238001651 is 156100832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238001651 - 2¹⁰ = 238000627 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238001651.

It is not a weakly prime, because it can be changed into another prime (238001051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119000825 + 119000826.

It is an arithmetic number, because the mean of its divisors is an integer number (119000826).

Almost surely, 2^238001651 is an apocalyptic number.

238001651 is a deficient number, since it is larger than the sum of its proper divisors (1).

238001651 is an equidigital number, since it uses as much as digits as its factorization.

238001651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 238001651 is about 15427.3021296661. The cubic root of 238001651 is about 619.7168764543.

The spelling of 238001651 in words is "two hundred thirty-eight million, one thousand, six hundred fifty-one".