2453963 has 4 divisors (see below), whose sum is σ = 2457840. Its totient is φ = 2450088.

The previous prime is 2453923. The next prime is 2453999. The reversal of 2453963 is 3693542.

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

It is a cyclic number.

It is not a de Polignac number, because 2453963 - 2⁸ = 2453707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2453923) 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, 743 + ... + 2336.

It is an arithmetic number, because the mean of its divisors is an integer number (614460).

2^2453963 is an apocalyptic number.

2453963 is a deficient number, since it is larger than the sum of its proper divisors (3877).

2453963 is an equidigital number, since it uses as much as digits as its factorization.

2453963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876.

The product of its digits is 19440, while the sum is 32.

The square root of 2453963 is about 1566.5130066488. The cubic root of 2453963 is about 134.8826231697.

The spelling of 2453963 in words is "two million, four hundred fifty-three thousand, nine hundred sixty-three".