239956001 has 2 divisors, whose sum is σ = 239956002. Its totient is φ = 239956000.

The previous prime is 239955973. The next prime is 239956019. The reversal of 239956001 is 100659932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219750976 + 20205025 = 14824^2 + 4495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239956001 is a prime.

It is not a weakly prime, because it can be changed into another prime (239956091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119978000 + 119978001.

It is an arithmetic number, because the mean of its divisors is an integer number (119978001).

Almost surely, 2^239956001 is an apocalyptic number.

It is an amenable number.

239956001 is a deficient number, since it is larger than the sum of its proper divisors (1).

239956001 is an equidigital number, since it uses as much as digits as its factorization.

239956001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 239956001 is about 15490.5132581203. The cubic root of 239956001 is about 621.4085224467.

The spelling of 239956001 in words is "two hundred thirty-nine million, nine hundred fifty-six thousand, one".