2553693 has 4 divisors (see below), whose sum is σ = 3404928. Its totient is φ = 1702460.

The previous prime is 2553671. The next prime is 2553701. The reversal of 2553693 is 3963552.

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 2553693 - 2¹² = 2549597 is a prime.

It is a D-number.

It is a congruent number.

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, 425613 + ... + 425618.

It is an arithmetic number, because the mean of its divisors is an integer number (851232).

2^2553693 is an apocalyptic number.

It is an amenable number.

2553693 is a deficient number, since it is larger than the sum of its proper divisors (851235).

2553693 is an equidigital number, since it uses as much as digits as its factorization.

2553693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851234.

The product of its digits is 24300, while the sum is 33.

The square root of 2553693 is about 1598.0278470665. The cubic root of 2553693 is about 136.6856414926.

The spelling of 2553693 in words is "two million, five hundred fifty-three thousand, six hundred ninety-three".