28612051 has 8 divisors (see below), whose sum is σ = 30867984. Its totient is φ = 26364000.

The previous prime is 28612027. The next prime is 28612079. The reversal of 28612051 is 15021682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28612051 - 2⁵ = 28612019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28612091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7176 + ... + 10426.

It is an arithmetic number, because the mean of its divisors is an integer number (3858498).

Almost surely, 2^28612051 is an apocalyptic number.

28612051 is a deficient number, since it is larger than the sum of its proper divisors (2255933).

28612051 is a wasteful number, since it uses less digits than its factorization.

28612051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 28612051 is about 5349.0233688029. The cubic root of 28612051 is about 305.8555250886.

The spelling of 28612051 in words is "twenty-eight million, six hundred twelve thousand, fifty-one".