900430451 has 2 divisors, whose sum is σ = 900430452. Its totient is φ = 900430450.

The previous prime is 900430441. The next prime is 900430457. The reversal of 900430451 is 154034009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 900430451 - 2¹⁰ = 900429427 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 900430451.

It is not a weakly prime, because it can be changed into another prime (900430457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450215225 + 450215226.

It is an arithmetic number, because the mean of its divisors is an integer number (450215226).

Almost surely, 2^900430451 is an apocalyptic number.

900430451 is a deficient number, since it is larger than the sum of its proper divisors (1).

900430451 is an equidigital number, since it uses as much as digits as its factorization.

900430451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 900430451 is about 30007.1733257233. The cubic root of 900430451 is about 965.6432844693.

The spelling of 900430451 in words is "nine hundred million, four hundred thirty thousand, four hundred fifty-one".