902311049 has 2 divisors, whose sum is σ = 902311050. Its totient is φ = 902311048.

The previous prime is 902311037. The next prime is 902311051. The reversal of 902311049 is 940113209.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878055424 + 24255625 = 29632^2 + 4925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-902311049 is a prime.

Together with 902311051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (902311549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451155524 + 451155525.

It is an arithmetic number, because the mean of its divisors is an integer number (451155525).

Almost surely, 2^902311049 is an apocalyptic number.

It is an amenable number.

902311049 is a deficient number, since it is larger than the sum of its proper divisors (1).

902311049 is an equidigital number, since it uses as much as digits as its factorization.

902311049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 902311049 is about 30038.4927884207. The cubic root of 902311049 is about 966.3150831739.

The spelling of 902311049 in words is "nine hundred two million, three hundred eleven thousand, forty-nine".