28714525 has 48 divisors (see below), whose sum is σ = 43171840. Its totient is φ = 18532800.

The previous prime is 28714519. The next prime is 28714531. The reversal of 28714525 is 52541782.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28714519) and next prime (28714531).

It is not a de Polignac number, because 28714525 - 2⁵ = 28714493 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 363436 + ... + 363514.

Almost surely, 2^28714525 is an apocalyptic number.

28714525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28714525 is a deficient number, since it is larger than the sum of its proper divisors (14457315).

28714525 is a wasteful number, since it uses less digits than its factorization.

28714525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 189 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 28714525 is about 5358.5935654797. The cubic root of 28714525 is about 306.2202303424.

It can be divided in two parts, 2871 and 4525, that added together give a square (7396 = 86²).

The spelling of 28714525 in words is "twenty-eight million, seven hundred fourteen thousand, five hundred twenty-five".