2590605 has 24 divisors (see below), whose sum is σ = 4687488. Its totient is φ = 1321056.

The previous prime is 2590597. The next prime is 2590633. The reversal of 2590605 is 5060952.

2590605 is a `hidden beast` number, since 2 + 59 + 0 + 605 = 666.

It is not a de Polignac number, because 2590605 - 2³ = 2590597 is a prime.

It is a super-2 number, since 2×2590605² = 13422468532050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (195312).

2^2590605 is an apocalyptic number.

It is an amenable number.

2590605 is a deficient number, since it is larger than the sum of its proper divisors (2096883).

2590605 is a wasteful number, since it uses less digits than its factorization.

2590605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537 (or 2534 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2590605 is about 1609.5356473219. The cubic root of 2590605 is about 137.3410615303.

The spelling of 2590605 in words is "two million, five hundred ninety thousand, six hundred five".