904245973 has 2 divisors, whose sum is σ = 904245974. Its totient is φ = 904245972.

The previous prime is 904245959. The next prime is 904245983. The reversal of 904245973 is 379542409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 860659569 + 43586404 = 29337^2 + 6602^2 .

It is a cyclic number.

It is not a de Polignac number, because 904245973 - 2¹³ = 904237781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904245983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452122986 + 452122987.

It is an arithmetic number, because the mean of its divisors is an integer number (452122987).

Almost surely, 2^904245973 is an apocalyptic number.

It is an amenable number.

904245973 is a deficient number, since it is larger than the sum of its proper divisors (1).

904245973 is an equidigital number, since it uses as much as digits as its factorization.

904245973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 904245973 is about 30070.6829486794. The cubic root of 904245973 is about 967.0053149729.

The spelling of 904245973 in words is "nine hundred four million, two hundred forty-five thousand, nine hundred seventy-three".