2253985 has 4 divisors (see below), whose sum is σ = 2704788. Its totient is φ = 1803184.

The previous prime is 2253973. The next prime is 2253997. The reversal of 2253985 is 5893522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5893522 = 2 ⋅2946761.

It is an interprime number because it is at equal distance from previous prime (2253973) and next prime (2253997).

It can be written as a sum of positive squares in 2 ways, for example, as 1096209 + 1157776 = 1047^2 + 1076^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253985 - 2⁷ = 2253857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2253985.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225394 + ... + 225403.

It is an arithmetic number, because the mean of its divisors is an integer number (676197).

2^2253985 is an apocalyptic number.

It is an amenable number.

2253985 is a deficient number, since it is larger than the sum of its proper divisors (450803).

2253985 is an equidigital number, since it uses as much as digits as its factorization.

2253985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450802.

The product of its digits is 21600, while the sum is 34.

The square root of 2253985 is about 1501.3277456971. The cubic root of 2253985 is about 131.1143844874.

The spelling of 2253985 in words is "two million, two hundred fifty-three thousand, nine hundred eighty-five".