2257487 has 2 divisors, whose sum is σ = 2257488. Its totient is φ = 2257486.

The previous prime is 2257483. The next prime is 2257511. The reversal of 2257487 is 7847522.

2257487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2257487 - 2² = 2257483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257483) 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, 1128743 + 1128744.

It is an arithmetic number, because the mean of its divisors is an integer number (1128744).

2^2257487 is an apocalyptic number.

2257487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257487 is an equidigital number, since it uses as much as digits as its factorization.

2257487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 35.

The square root of 2257487 is about 1502.4935939963. The cubic root of 2257487 is about 131.1822531704.

Adding to 2257487 its sum of digits (35), we get a palindrome (2257522).

It can be divided in two parts, 2257 and 487, that added together give a cube (2744 = 14³).

The spelling of 2257487 in words is "two million, two hundred fifty-seven thousand, four hundred eighty-seven".