900909007 has 2 divisors, whose sum is σ = 900909008. Its totient is φ = 900909006.

The previous prime is 900908993. The next prime is 900909013. The reversal of 900909007 is 700909009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 900909007 - 2²³ = 892520399 is a prime.

It is a super-3 number, since 3×900909007³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900909017) 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, 450454503 + 450454504.

It is an arithmetic number, because the mean of its divisors is an integer number (450454504).

Almost surely, 2^900909007 is an apocalyptic number.

900909007 is a deficient number, since it is larger than the sum of its proper divisors (1).

900909007 is an equidigital number, since it uses as much as digits as its factorization.

900909007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 900909007 is about 30015.1462931634. The cubic root of 900909007 is about 965.8143258284.

The spelling of 900909007 in words is "nine hundred million, nine hundred nine thousand, seven".