2553771 has 16 divisors (see below), whose sum is σ = 3911040. Its totient is φ = 1465920.

The previous prime is 2553751. The next prime is 2553781. The reversal of 2553771 is 1773552.

It is not a de Polignac number, because 2553771 - 2⁵ = 2553739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2553701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (244440).

2^2553771 is an apocalyptic number.

2553771 is a deficient number, since it is larger than the sum of its proper divisors (1357269).

2553771 is a wasteful number, since it uses less digits than its factorization.

2553771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106.

The product of its digits is 7350, while the sum is 30.

The square root of 2553771 is about 1598.0522519617. The cubic root of 2553771 is about 136.6870331205.

The spelling of 2553771 in words is "two million, five hundred fifty-three thousand, seven hundred seventy-one".