2555031 has 4 divisors (see below), whose sum is σ = 3406712. Its totient is φ = 1703352.

The previous prime is 2555027. The next prime is 2555041. The reversal of 2555031 is 1305552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2555031 - 2² = 2555027 is a prime.

It is a super-2 number, since 2×2555031² = 13056366821922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

2555031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2554989 and 2555007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555011) 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, 425836 + ... + 425841.

It is an arithmetic number, because the mean of its divisors is an integer number (851678).

2^2555031 is an apocalyptic number.

2555031 is a deficient number, since it is larger than the sum of its proper divisors (851681).

2555031 is an equidigital number, since it uses as much as digits as its factorization.

2555031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851680.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 2555031 is about 1598.4464332595. The cubic root of 2555031 is about 136.7095093390.

The spelling of 2555031 in words is "two million, five hundred fifty-five thousand, thirty-one".