2253963 has 4 divisors (see below), whose sum is σ = 3005288. Its totient is φ = 1502640.

The previous prime is 2253959. The next prime is 2253971. The reversal of 2253963 is 3693522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2253963 - 2² = 2253959 is a prime.

It is a D-number.

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 2253963.

It is not an unprimeable number, because it can be changed into a prime (2253973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375658 + ... + 375663.

It is an arithmetic number, because the mean of its divisors is an integer number (751322).

2^2253963 is an apocalyptic number.

2253963 is a deficient number, since it is larger than the sum of its proper divisors (751325).

2253963 is an equidigital number, since it uses as much as digits as its factorization.

2253963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751324.

The product of its digits is 9720, while the sum is 30.

The square root of 2253963 is about 1501.3204188314. The cubic root of 2253963 is about 131.1139579058.

The spelling of 2253963 in words is "two million, two hundred fifty-three thousand, nine hundred sixty-three".