28501254 has 32 divisors (see below), whose sum is σ = 66672000. Its totient is φ = 9000072.

The previous prime is 28501241. The next prime is 28501327. The reversal of 28501254 is 45210582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12864 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (2083500).

Almost surely, 2^28501254 is an apocalyptic number.

28501254 is an abundant number, since it is smaller than the sum of its proper divisors (38170746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28501254 is a wasteful number, since it uses less digits than its factorization.

28501254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27809 (or 27803 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 28501254 is about 5338.6565725845. The cubic root of 28501254 is about 305.4602171663.

The spelling of 28501254 in words is "twenty-eight million, five hundred one thousand, two hundred fifty-four".