2257511 has 2 divisors, whose sum is σ = 2257512. Its totient is φ = 2257510.

The previous prime is 2257487. The next prime is 2257529. The reversal of 2257511 is 1157522.

It is a happy number.

2257511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2257511 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257531) 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 as a sum of consecutive naturals, namely, 1128755 + 1128756.

It is an arithmetic number, because the mean of its divisors is an integer number (1128756).

2^2257511 is an apocalyptic number.

2257511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257511 is an equidigital number, since it uses as much as digits as its factorization.

2257511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 700, while the sum is 23.

The square root of 2257511 is about 1502.5015806980. The cubic root of 2257511 is about 131.1827180476.

The spelling of 2257511 in words is "two million, two hundred fifty-seven thousand, five hundred eleven".