28460525 has 12 divisors (see below), whose sum is σ = 35370132. Its totient is φ = 22717440.

The previous prime is 28460503. The next prime is 28460527. The reversal of 28460525 is 52506482.

It can be written as a sum of positive squares in 6 ways, for example, as 94249 + 28366276 = 307^2 + 5326^2 .

It is not a de Polignac number, because 28460525 - 2¹⁸ = 28198381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28460491 and 28460500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28460527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13439 + ... + 15411.

It is an arithmetic number, because the mean of its divisors is an integer number (2947511).

Almost surely, 2^28460525 is an apocalyptic number.

28460525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28460525 is a deficient number, since it is larger than the sum of its proper divisors (6909607).

28460525 is a wasteful number, since it uses less digits than its factorization.

28460525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 28460525 is about 5334.8406724100. The cubic root of 28460525 is about 305.3146443890.

The spelling of 28460525 in words is "twenty-eight million, four hundred sixty thousand, five hundred twenty-five".