2552553 has 10 divisors (see below), whose sum is σ = 3813194. Its totient is φ = 1701648.

The previous prime is 2552531. The next prime is 2552581. The reversal of 2552553 is 3552552.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 1225449 = 1152^2 + 1107^2 .

It is not a de Polignac number, because 2552553 - 2⁹ = 2552041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552503) 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 9 ways as a sum of consecutive naturals, for example, 15676 + ... + 15837.

2^2552553 is an apocalyptic number.

It is an amenable number.

2552553 is a deficient number, since it is larger than the sum of its proper divisors (1260641).

2552553 is an equidigital number, since it uses as much as digits as its factorization.

2552553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31525 (or 31516 counting only the distinct ones).

The product of its digits is 7500, while the sum is 27.

The square root of 2552553 is about 1597.6711175959. The cubic root of 2552553 is about 136.6652990808.

Subtracting 2552553 from its reverse (3552552), we obtain a palindrome (999999).

The spelling of 2552553 in words is "two million, five hundred fifty-two thousand, five hundred fifty-three".