2590705 has 8 divisors (see below), whose sum is σ = 3348072. Its totient is φ = 1913088.

The previous prime is 2590691. The next prime is 2590717. The reversal of 2590705 is 5070952.

It can be written as a sum of positive squares in 4 ways, for example, as 467856 + 2122849 = 684^2 + 1457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2590705 - 2¹⁵ = 2557937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19864 + ... + 19993.

It is an arithmetic number, because the mean of its divisors is an integer number (418509).

2^2590705 is an apocalyptic number.

It is an amenable number.

2590705 is a deficient number, since it is larger than the sum of its proper divisors (757367).

2590705 is a wasteful number, since it uses less digits than its factorization.

2590705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39875.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 2590705 is about 1609.5667118824. The cubic root of 2590705 is about 137.3428286760.

The spelling of 2590705 in words is "two million, five hundred ninety thousand, seven hundred five".