2570501 has 4 divisors (see below), whose sum is σ = 2640012. Its totient is φ = 2500992.

The previous prime is 2570471. The next prime is 2570507. The reversal of 2570501 is 1050752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 638401 = 1390^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2570501 - 2⁶ = 2570437 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 34700 + ... + 34773.

It is an arithmetic number, because the mean of its divisors is an integer number (660003).

2^2570501 is an apocalyptic number.

It is an amenable number.

2570501 is a deficient number, since it is larger than the sum of its proper divisors (69511).

2570501 is an equidigital number, since it uses as much as digits as its factorization.

2570501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69510.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 2570501 is about 1603.2782041804. The cubic root of 2570501 is about 136.9848669949.

The spelling of 2570501 in words is "two million, five hundred seventy thousand, five hundred one".