2531056 has 40 divisors (see below), whose sum is σ = 5450544. Its totient is φ = 1128960.

The previous prime is 2531027. The next prime is 2531069. The reversal of 2531056 is 6501352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12750 + ... + 12946.

2^2531056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2531056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2725272).

2531056 is an abundant number, since it is smaller than the sum of its proper divisors (2919488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531056 is a wasteful number, since it uses less digits than its factorization.

2531056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2531056 is about 1590.9292881835. The cubic root of 2531056 is about 136.2805626807.

The spelling of 2531056 in words is "two million, five hundred thirty-one thousand, fifty-six".