238429001 has 2 divisors, whose sum is σ = 238429002. Its totient is φ = 238429000.

The previous prime is 238428997. The next prime is 238429003. The reversal of 238429001 is 100924832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214183225 + 24245776 = 14635^2 + 4924^2 .

It is a cyclic number.

It is not a de Polignac number, because 238429001 - 2² = 238428997 is a prime.

Together with 238429003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238429003) 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, 119214500 + 119214501.

It is an arithmetic number, because the mean of its divisors is an integer number (119214501).

Almost surely, 2^238429001 is an apocalyptic number.

It is an amenable number.

238429001 is a deficient number, since it is larger than the sum of its proper divisors (1).

238429001 is an equidigital number, since it uses as much as digits as its factorization.

238429001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 238429001 is about 15441.1463628838. The cubic root of 238429001 is about 620.0875708772.

The spelling of 238429001 in words is "two hundred thirty-eight million, four hundred twenty-nine thousand, one".