2553393 has 4 divisors (see below), whose sum is σ = 3404528. Its totient is φ = 1702260.

The previous prime is 2553389. The next prime is 2553403. The reversal of 2553393 is 3933552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2553393 - 2² = 2553389 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 2553393.

It is not an unprimeable number, because it can be changed into a prime (2553293) 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, 425563 + ... + 425568.

It is an arithmetic number, because the mean of its divisors is an integer number (851132).

2^2553393 is an apocalyptic number.

It is an amenable number.

2553393 is a deficient number, since it is larger than the sum of its proper divisors (851135).

2553393 is an equidigital number, since it uses as much as digits as its factorization.

2553393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851134.

The product of its digits is 12150, while the sum is 30.

The square root of 2553393 is about 1597.9339786111. The cubic root of 2553393 is about 136.6802888134.

The spelling of 2553393 in words is "two million, five hundred fifty-three thousand, three hundred ninety-three".