909004097 has 2 divisors, whose sum is σ = 909004098. Its totient is φ = 909004096.

The previous prime is 909004051. The next prime is 909004139. The reversal of 909004097 is 790400909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 820192321 + 88811776 = 28639^2 + 9424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-909004097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 909004097.

It is not a weakly prime, because it can be changed into another prime (909003097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454502048 + 454502049.

It is an arithmetic number, because the mean of its divisors is an integer number (454502049).

Almost surely, 2^909004097 is an apocalyptic number.

It is an amenable number.

909004097 is a deficient number, since it is larger than the sum of its proper divisors (1).

909004097 is an equidigital number, since it uses as much as digits as its factorization.

909004097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 909004097 is about 30149.6948077423. The cubic root of 909004097 is about 968.6984694505.

The spelling of 909004097 in words is "nine hundred nine million, four thousand, ninety-seven".