28963025 has 48 divisors (see below), whose sum is σ = 45830400. Its totient is φ = 17660160.

The previous prime is 28963007. The next prime is 28963031. The reversal of 28963025 is 52036982.

It is not a de Polignac number, because 28963025 - 2¹⁴ = 28946641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65756 + ... + 66194.

It is an arithmetic number, because the mean of its divisors is an integer number (954800).

Almost surely, 2^28963025 is an apocalyptic number.

28963025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28963025 is a deficient number, since it is larger than the sum of its proper divisors (16867375).

28963025 is a wasteful number, since it uses less digits than its factorization.

28963025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 28963025 is about 5381.7306695895. The cubic root of 28963025 is about 307.1010535704.

The spelling of 28963025 in words is "twenty-eight million, nine hundred sixty-three thousand, twenty-five".