900999007 has 2 divisors, whose sum is σ = 900999008. Its totient is φ = 900999006.

The previous prime is 900998933. The next prime is 900999013. The reversal of 900999007 is 700999009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 900999007 - 2²³ = 892610399 is a prime.

It is a super-2 number, since 2×900999007² = 1623598421229972098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900999037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450499503 + 450499504.

It is an arithmetic number, because the mean of its divisors is an integer number (450499504).

Almost surely, 2^900999007 is an apocalyptic number.

900999007 is a deficient number, since it is larger than the sum of its proper divisors (1).

900999007 is an equidigital number, since it uses as much as digits as its factorization.

900999007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45927, while the sum is 43.

The square root of 900999007 is about 30016.6454987895. The cubic root of 900999007 is about 965.8464860852.

The spelling of 900999007 in words is "nine hundred million, nine hundred ninety-nine thousand, seven".