28260925 has 48 divisors (see below), whose sum is σ = 44675712. Its totient is φ = 17222400.

The previous prime is 28260901. The next prime is 28260949. The reversal of 28260925 is 52906282.

It is an interprime number because it is at equal distance from previous prime (28260901) and next prime (28260949).

It is not a de Polignac number, because 28260925 - 2¹³ = 28252733 is a prime.

It is a Duffinian number.

It is a congruent 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, 101887 + ... + 102163.

It is an arithmetic number, because the mean of its divisors is an integer number (930744).

Almost surely, 2^28260925 is an apocalyptic number.

28260925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28260925 is a deficient number, since it is larger than the sum of its proper divisors (16414787).

28260925 is a wasteful number, since it uses less digits than its factorization.

28260925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 28260925 is about 5316.1005445721. The cubic root of 28260925 is about 304.5992227713.

The spelling of 28260925 in words is "twenty-eight million, two hundred sixty thousand, nine hundred twenty-five".