2570605 has 8 divisors (see below), whose sum is σ = 3247200. Its totient is φ = 1948176.

The previous prime is 2570599. The next prime is 2570609. The reversal of 2570605 is 5060752.

It is a happy number.

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 2570605 - 2⁵ = 2570573 is a prime.

2570605 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2570605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570609) by changing a digit.

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, 13435 + ... + 13624.

It is an arithmetic number, because the mean of its divisors is an integer number (405900).

2^2570605 is an apocalyptic number.

It is an amenable number.

2570605 is a deficient number, since it is larger than the sum of its proper divisors (676595).

2570605 is a wasteful number, since it uses less digits than its factorization.

2570605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27083.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2570605 is about 1603.3106374000. The cubic root of 2570605 is about 136.9867143953.

The spelling of 2570605 in words is "two million, five hundred seventy thousand, six hundred five".