2528750 has 60 divisors (see below), whose sum is σ = 5754408. Its totient is φ = 816000.

The previous prime is 2528717. The next prime is 2528777. The reversal of 2528750 is 578252.

It is an Ulam number.

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 29 ways as a sum of consecutive naturals, for example, 148742 + ... + 148758.

2^2528750 is an apocalyptic number.

2528750 is an abundant number, since it is smaller than the sum of its proper divisors (3225658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2528750 is an equidigital number, since it uses as much as digits as its factorization.

2528750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2528750 is about 1590.2043893789. The cubic root of 2528750 is about 136.2391625081.

Multiplying 2528750 by its product of nonzero digits (5600), we get a square (14161000000 = 119000²).

The spelling of 2528750 in words is "two million, five hundred twenty-eight thousand, seven hundred fifty".