2570505 has 16 divisors (see below), whose sum is σ = 4700544. Its totient is φ = 1175040.

The previous prime is 2570471. The next prime is 2570507. The reversal of 2570505 is 5050752.

It is not a de Polignac number, because 2570505 - 2⁶ = 2570441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2570507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12136 + ... + 12345.

It is an arithmetic number, because the mean of its divisors is an integer number (293784).

2^2570505 is an apocalyptic number.

It is an amenable number.

2570505 is a deficient number, since it is larger than the sum of its proper divisors (2130039).

2570505 is a wasteful number, since it uses less digits than its factorization.

2570505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24496.

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 2570505 is about 1603.2794516241. The cubic root of 2570505 is about 136.9849380497.

The spelling of 2570505 in words is "two million, five hundred seventy thousand, five hundred five".