2253618 has 12 divisors (see below), whose sum is σ = 4882878. Its totient is φ = 751200.

The previous prime is 2253617. The next prime is 2253637. The reversal of 2253618 is 8163522.

It can be written as a sum of positive squares in only one way, i.e., 1996569 + 257049 = 1413^2 + 507^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2253591 and 2253600.

It is not an unprimeable number, because it can be changed into a prime (2253617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62583 + ... + 62618.

2^2253618 is an apocalyptic number.

2253618 is an abundant number, since it is smaller than the sum of its proper divisors (2629260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2253618 is a wasteful number, since it uses less digits than its factorization.

2253618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125209 (or 125206 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2253618 is about 1501.2055155774. The cubic root of 2253618 is about 131.1072679670.

The spelling of 2253618 in words is "two million, two hundred fifty-three thousand, six hundred eighteen".