2904257 has 2 divisors, whose sum is σ = 2904258. Its totient is φ = 2904256.

The previous prime is 2904247. The next prime is 2904259. The reversal of 2904257 is 7524092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2563201 + 341056 = 1601^2 + 584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2904257 - 2⁶ = 2904193 is a prime.

Together with 2904259, 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 (2904259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452128 + 1452129.

It is an arithmetic number, because the mean of its divisors is an integer number (1452129).

2^2904257 is an apocalyptic number.

It is an amenable number.

2904257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2904257 is an equidigital number, since it uses as much as digits as its factorization.

2904257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2904257 is about 1704.1880764751. The cubic root of 2904257 is about 142.6740583655.

The spelling of 2904257 in words is "two million, nine hundred four thousand, two hundred fifty-seven".