2815525 has 6 divisors (see below), whose sum is σ = 3491282. Its totient is φ = 2252400.

The previous prime is 2815517. The next prime is 2815529. The reversal of 2815525 is 5255182.

It can be written as a sum of positive squares in 3 ways, for example, as 556516 + 2259009 = 746^2 + 1503^2 .

It is not a de Polignac number, because 2815525 - 2³ = 2815517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2815493 and 2815502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2815529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56286 + ... + 56335.

2^2815525 is an apocalyptic number.

2815525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2815525 is a deficient number, since it is larger than the sum of its proper divisors (675757).

2815525 is a wasteful number, since it uses less digits than its factorization.

2815525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112631 (or 112626 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 2815525 is about 1677.9526215004. The cubic root of 2815525 is about 141.2059930259.

The spelling of 2815525 in words is "two million, eight hundred fifteen thousand, five hundred twenty-five".