2575890 has 24 divisors (see below), whose sum is σ = 6697548. Its totient is φ = 686880.

The previous prime is 2575879. The next prime is 2575897. The reversal of 2575890 is 985752.

2575890 is a `hidden beast` number, since 2 + 575 + 89 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 423801 = 1467^2 + 651^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2575897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14221 + ... + 14400.

2^2575890 is an apocalyptic number.

2575890 is an abundant number, since it is smaller than the sum of its proper divisors (4121658).

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

2575890 is a wasteful number, since it uses less digits than its factorization.

2575890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28634 (or 28631 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2575890 is about 1604.9579433742. The cubic root of 2575890 is about 137.0805287831.

The spelling of 2575890 in words is "two million, five hundred seventy-five thousand, eight hundred ninety".