28527051 has 16 divisors (see below), whose sum is σ = 43718400. Its totient is φ = 16207968.

The previous prime is 28527047. The next prime is 28527053. The reversal of 28527051 is 15072582.

It is not a de Polignac number, because 28527051 - 2² = 28527047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28527053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 7553.

It is an arithmetic number, because the mean of its divisors is an integer number (2732400).

Almost surely, 2^28527051 is an apocalyptic number.

28527051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28527051 is a deficient number, since it is larger than the sum of its proper divisors (15191349).

28527051 is a wasteful number, since it uses less digits than its factorization.

28527051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7778.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 28527051 is about 5341.0720833930. The cubic root of 28527051 is about 305.5523485626.

The spelling of 28527051 in words is "twenty-eight million, five hundred twenty-seven thousand, fifty-one".