28837051 has 4 divisors (see below), whose sum is σ = 28924504. Its totient is φ = 28749600.

The previous prime is 28837031. The next prime is 28837073. The reversal of 28837051 is 15073882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15073882 = 2 ⋅7536941.

It is a 5-Lehmer number, since φ(28837051) divides (28837051-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 28837051 - 2⁵ = 28837019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28836998 and 28837016.

It is not an unprimeable number, because it can be changed into a prime (28837031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43230 + ... + 43891.

It is an arithmetic number, because the mean of its divisors is an integer number (7231126).

Almost surely, 2^28837051 is an apocalyptic number.

28837051 is a deficient number, since it is larger than the sum of its proper divisors (87453).

28837051 is an equidigital number, since it uses as much as digits as its factorization.

28837051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87452.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 28837051 is about 5370.0140595719. The cubic root of 28837051 is about 306.6551635309.

The spelling of 28837051 in words is "twenty-eight million, eight hundred thirty-seven thousand, fifty-one".