2553373 has 4 divisors (see below), whose sum is σ = 2589408. Its totient is φ = 2517340.

The previous prime is 2553371. The next prime is 2553389. The reversal of 2553373 is 3733552.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2553373 - 2¹ = 2553371 is a prime.

It is a Duffinian number.

2553373 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17911 + ... + 18052.

It is an arithmetic number, because the mean of its divisors is an integer number (647352).

2^2553373 is an apocalyptic number.

It is an amenable number.

2553373 is a deficient number, since it is larger than the sum of its proper divisors (36035).

2553373 is an equidigital number, since it uses as much as digits as its factorization.

2553373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36034.

The product of its digits is 9450, while the sum is 28.

The square root of 2553373 is about 1597.9277205180. The cubic root of 2553373 is about 136.6799319532.

It can be divided in two parts, 2553 and 373, that added together give a triangular number (2926 = T₇₆).

The spelling of 2553373 in words is "two million, five hundred fifty-three thousand, three hundred seventy-three".