902390051 has 2 divisors, whose sum is σ = 902390052. Its totient is φ = 902390050.

The previous prime is 902390023. The next prime is 902390053. The reversal of 902390051 is 150093209.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-902390051 is a prime.

Together with 902390053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 902389996 and 902390023.

It is not a weakly prime, because it can be changed into another prime (902390053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451195025 + 451195026.

It is an arithmetic number, because the mean of its divisors is an integer number (451195026).

Almost surely, 2^902390051 is an apocalyptic number.

902390051 is a deficient number, since it is larger than the sum of its proper divisors (1).

902390051 is an equidigital number, since it uses as much as digits as its factorization.

902390051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 902390051 is about 30039.8077723543. The cubic root of 902390051 is about 966.3432843123.

The spelling of 902390051 in words is "nine hundred two million, three hundred ninety thousand, fifty-one".