418872001 has 2 divisors, whose sum is σ = 418872002. Its totient is φ = 418872000.

The previous prime is 418871989. The next prime is 418872023. The reversal of 418872001 is 100278814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266472976 + 152399025 = 16324^2 + 12345^2 .

It is a cyclic number.

It is not a de Polignac number, because 418872001 - 2¹⁷ = 418740929 is a prime.

It is not a weakly prime, because it can be changed into another prime (418875001) 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, 209436000 + 209436001.

It is an arithmetic number, because the mean of its divisors is an integer number (209436001).

Almost surely, 2^418872001 is an apocalyptic number.

It is an amenable number.

418872001 is a deficient number, since it is larger than the sum of its proper divisors (1).

418872001 is an equidigital number, since it uses as much as digits as its factorization.

418872001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 418872001 is about 20466.3626714666. The cubic root of 418872001 is about 748.2162058384.

The spelling of 418872001 in words is "four hundred eighteen million, eight hundred seventy-two thousand, one".