402033001 has 2 divisors, whose sum is σ = 402033002. Its totient is φ = 402033000.

The previous prime is 402032987. The next prime is 402033007. The reversal of 402033001 is 100330204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358155625 + 43877376 = 18925^2 + 6624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402033001 is a prime.

It is not a weakly prime, because it can be changed into another prime (402033007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201016500 + 201016501.

It is an arithmetic number, because the mean of its divisors is an integer number (201016501).

Almost surely, 2^402033001 is an apocalyptic number.

It is an amenable number.

402033001 is a deficient number, since it is larger than the sum of its proper divisors (1).

402033001 is an equidigital number, since it uses as much as digits as its factorization.

402033001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 402033001 is about 20050.7606090143. The cubic root of 402033001 is about 738.0524641820.

Adding to 402033001 its reverse (100330204), we get a palindrome (502363205).

The spelling of 402033001 in words is "four hundred two million, thirty-three thousand, one".