2253491 has 2 divisors, whose sum is σ = 2253492. Its totient is φ = 2253490.

The previous prime is 2253487. The next prime is 2253497. The reversal of 2253491 is 1943522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2253491 - 2² = 2253487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2253491.

It is not a weakly prime, because it can be changed into another prime (2253497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126745 + 1126746.

It is an arithmetic number, because the mean of its divisors is an integer number (1126746).

2^2253491 is an apocalyptic number.

2253491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2253491 is an equidigital number, since it uses as much as digits as its factorization.

2253491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 2253491 is about 1501.1632156431. The cubic root of 2253491 is about 131.1048051219.

It can be divided in two parts, 2253 and 491, that added together give a cube (2744 = 14³).

The spelling of 2253491 in words is "two million, two hundred fifty-three thousand, four hundred ninety-one".