151665001 has 2 divisors, whose sum is σ = 151665002. Its totient is φ = 151665000.

The previous prime is 151664977. The next prime is 151665067. The reversal of 151665001 is 100566151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151659225 + 5776 = 12315^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 151665001 - 2⁵ = 151664969 is a prime.

It is not a weakly prime, because it can be changed into another prime (151665071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75832500 + 75832501.

It is an arithmetic number, because the mean of its divisors is an integer number (75832501).

Almost surely, 2^151665001 is an apocalyptic number.

It is an amenable number.

151665001 is a deficient number, since it is larger than the sum of its proper divisors (1).

151665001 is an equidigital number, since it uses as much as digits as its factorization.

151665001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 151665001 is about 12315.2345085264. The cubic root of 151665001 is about 533.2879747449.

The spelling of 151665001 in words is "one hundred fifty-one million, six hundred sixty-five thousand, one".