2802257 has 2 divisors, whose sum is σ = 2802258. Its totient is φ = 2802256.

The previous prime is 2802211. The next prime is 2802277. The reversal of 2802257 is 7522082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2572816 + 229441 = 1604^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 2802257 - 2⁶ = 2802193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2802277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401128 + 1401129.

It is an arithmetic number, because the mean of its divisors is an integer number (1401129).

2^2802257 is an apocalyptic number.

It is an amenable number.

2802257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2802257 is an equidigital number, since it uses as much as digits as its factorization.

2802257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2802257 is about 1673.9943249605. The cubic root of 2802257 is about 140.9838353114.

The spelling of 2802257 in words is "two million, eight hundred two thousand, two hundred fifty-seven".