2570725 has 6 divisors (see below), whose sum is σ = 3187730. Its totient is φ = 2056560.

The previous prime is 2570717. The next prime is 2570749. The reversal of 2570725 is 5270752.

It can be written as a sum of positive squares in 3 ways, for example, as 13924 + 2556801 = 118^2 + 1599^2 .

It is not a de Polignac number, because 2570725 - 2³ = 2570717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2570693 and 2570702.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 51390 + ... + 51439.

2^2570725 is an apocalyptic number.

2570725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2570725 is a deficient number, since it is larger than the sum of its proper divisors (617005).

2570725 is a wasteful number, since it uses less digits than its factorization.

2570725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102839 (or 102834 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 2570725 is about 1603.3480595304. The cubic root of 2570725 is about 136.9888459493.

The spelling of 2570725 in words is "two million, five hundred seventy thousand, seven hundred twenty-five".