2553257 has 4 divisors (see below), whose sum is σ = 2918016. Its totient is φ = 2188500.

The previous prime is 2553251. The next prime is 2553283. The reversal of 2553257 is 7523552.

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 2553257 - 2⁴ = 2553241 is a prime.

It is a d-powerful number, because it can be written as 2³ + 5⁶ + 5⁸ + 3¹¹ + 2¹⁴ + 5⁹ + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553251) 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, 182369 + ... + 182382.

It is an arithmetic number, because the mean of its divisors is an integer number (729504).

2^2553257 is an apocalyptic number.

It is an amenable number.

2553257 is a deficient number, since it is larger than the sum of its proper divisors (364759).

2553257 is an equidigital number, since it uses as much as digits as its factorization.

2553257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364758.

The product of its digits is 10500, while the sum is 29.

The square root of 2553257 is about 1597.8914230948. The cubic root of 2553257 is about 136.6778621273.

The spelling of 2553257 in words is "two million, five hundred fifty-three thousand, two hundred fifty-seven".