238251401 has 2 divisors, whose sum is σ = 238251402. Its totient is φ = 238251400.

The previous prime is 238251373. The next prime is 238251491. The reversal of 238251401 is 104152832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214476025 + 23775376 = 14645^2 + 4876^2 .

It is a cyclic number.

It is not a de Polignac number, because 238251401 - 2¹⁰ = 238250377 is a prime.

It is not a weakly prime, because it can be changed into another prime (238251491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119125700 + 119125701.

It is an arithmetic number, because the mean of its divisors is an integer number (119125701).

Almost surely, 2^238251401 is an apocalyptic number.

It is an amenable number.

238251401 is a deficient number, since it is larger than the sum of its proper divisors (1).

238251401 is an equidigital number, since it uses as much as digits as its factorization.

238251401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 238251401 is about 15435.3944232080. The cubic root of 238251401 is about 619.9335698857.

The spelling of 238251401 in words is "two hundred thirty-eight million, two hundred fifty-one thousand, four hundred one".