28837425 has 24 divisors (see below), whose sum is σ = 48153664. Its totient is φ = 15226560.

The previous prime is 28837411. The next prime is 28837429. The reversal of 28837425 is 52473882.

It is not a de Polignac number, because 28837425 - 2⁸ = 28837169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28837429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5859 + ... + 9591.

Almost surely, 2^28837425 is an apocalyptic number.

28837425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28837425 is a deficient number, since it is larger than the sum of its proper divisors (19316239).

28837425 is a wasteful number, since it uses less digits than its factorization.

28837425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849 (or 3844 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 28837425 is about 5370.0488824591. The cubic root of 28837425 is about 306.6564892390.

The spelling of 28837425 in words is "twenty-eight million, eight hundred thirty-seven thousand, four hundred twenty-five".