902057 has 4 divisors (see below), whose sum is σ = 971460. Its totient is φ = 832656.

The previous prime is 902053. The next prime is 902087. The reversal of 902057 is 750209.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 561001 = 584^2 + 749^2 .

It is a cyclic number.

It is not a de Polignac number, because 902057 - 2² = 902053 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 902057.

It is not an unprimeable number, because it can be changed into a prime (902053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34682 + ... + 34707.

It is an arithmetic number, because the mean of its divisors is an integer number (242865).

2⁹⁰²⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

902057 is a deficient number, since it is larger than the sum of its proper divisors (69403).

902057 is a wasteful number, since it uses less digits than its factorization.

902057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69402.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 902057 is about 949.7668134863. The cubic root of 902057 is about 96.6224384804.

The spelling of 902057 in words is "nine hundred two thousand, fifty-seven".