900245207 has 2 divisors, whose sum is σ = 900245208. Its totient is φ = 900245206.

The previous prime is 900245197. The next prime is 900245233. The reversal of 900245207 is 702542009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900245207 - 2¹⁶ = 900179671 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 900245207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900245107) 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, 450122603 + 450122604.

It is an arithmetic number, because the mean of its divisors is an integer number (450122604).

Almost surely, 2^900245207 is an apocalyptic number.

900245207 is a deficient number, since it is larger than the sum of its proper divisors (1).

900245207 is an equidigital number, since it uses as much as digits as its factorization.

900245207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 900245207 is about 30004.0865050079. The cubic root of 900245207 is about 965.5770598865.

The spelling of 900245207 in words is "nine hundred million, two hundred forty-five thousand, two hundred seven".