404680051 has 2 divisors, whose sum is σ = 404680052. Its totient is φ = 404680050.

The previous prime is 404680037. The next prime is 404680093. The reversal of 404680051 is 150086404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404680051 - 2¹⁵ = 404647283 is a prime.

It is not a weakly prime, because it can be changed into another prime (404680651) 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, 202340025 + 202340026.

It is an arithmetic number, because the mean of its divisors is an integer number (202340026).

Almost surely, 2^404680051 is an apocalyptic number.

404680051 is a deficient number, since it is larger than the sum of its proper divisors (1).

404680051 is an equidigital number, since it uses as much as digits as its factorization.

404680051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 404680051 is about 20116.6610301014. The cubic root of 404680051 is about 739.6687408266.

The spelling of 404680051 in words is "four hundred four million, six hundred eighty thousand, fifty-one".