2800525 has 24 divisors (see below), whose sum is σ = 4277504. Its totient is φ = 1771200.

The previous prime is 2800519. The next prime is 2800531. The reversal of 2800525 is 5250082.

It is an interprime number because it is at equal distance from previous prime (2800519) and next prime (2800531).

It is not a de Polignac number, because 2800525 - 2⁷ = 2800397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2800496 and 2800505.

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 23 ways as a sum of consecutive naturals, for example, 1660 + ... + 2890.

2^2800525 is an apocalyptic number.

2800525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2800525 is a deficient number, since it is larger than the sum of its proper divisors (1476979).

2800525 is a wasteful number, since it uses less digits than its factorization.

2800525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2800525 is about 1673.4769194704. The cubic root of 2800525 is about 140.9547832142.

The spelling of 2800525 in words is "two million, eight hundred thousand, five hundred twenty-five".