328951001 has 2 divisors, whose sum is σ = 328951002. Its totient is φ = 328951000.

The previous prime is 328950983. The next prime is 328951043. The reversal of 328951001 is 100159823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317694976 + 11256025 = 17824^2 + 3355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328951001 is a prime.

It is a super-2 number, since 2×328951001² = 216417522117804002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328951501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164475500 + 164475501.

It is an arithmetic number, because the mean of its divisors is an integer number (164475501).

Almost surely, 2^328951001 is an apocalyptic number.

It is an amenable number.

328951001 is a deficient number, since it is larger than the sum of its proper divisors (1).

328951001 is an equidigital number, since it uses as much as digits as its factorization.

328951001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 328951001 is about 18137.0063957644. The cubic root of 328951001 is about 690.3093208108.

The spelling of 328951001 in words is "three hundred twenty-eight million, nine hundred fifty-one thousand, one".