2575881 has 60 divisors (see below), whose sum is σ = 4965840. Its totient is φ = 1315440.

The previous prime is 2575879. The next prime is 2575897. The reversal of 2575881 is 1885752.

2575881 is a `hidden beast` number, since 2 + 575 + 8 + 81 = 666.

It is not a de Polignac number, because 2575881 - 2¹ = 2575879 is a prime.

It is a super-2 number, since 2×2575881² = 13270325852322, which contains 22 as substring.

Its product of digits (22400) is a multiple of the sum of its prime divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2575801) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 43630 + ... + 43688.

It is an arithmetic number, because the mean of its divisors is an integer number (82764).

2^2575881 is an apocalyptic number.

2575881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2575881 is a deficient number, since it is larger than the sum of its proper divisors (2389959).

2575881 is a wasteful number, since it uses less digits than its factorization.

2575881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 80 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 2575881 is about 1604.9551395600. The cubic root of 2575881 is about 137.0803691326.

The spelling of 2575881 in words is "two million, five hundred seventy-five thousand, eight hundred eighty-one".