10028725 has 24 divisors (see below), whose sum is σ = 15052608. Its totient is φ = 6470400.

The previous prime is 10028677. The next prime is 10028737. The reversal of 10028725 is 52782001.

10028725 = 468² + 469² + ... + 509².

It is not a de Polignac number, because 10028725 - 2¹⁷ = 9897653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10028725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1290 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (627192).

Almost surely, 2^10028725 is an apocalyptic number.

It is an amenable number.

10028725 is a deficient number, since it is larger than the sum of its proper divisors (5023883).

10028725 is a wasteful number, since it uses less digits than its factorization.

10028725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 10028725 is about 3166.8162245385. The cubic root of 10028725 is about 215.6495589194.

The spelling of 10028725 in words is "ten million, twenty-eight thousand, seven hundred twenty-five".