28714425 has 24 divisors (see below), whose sum is σ = 47976096. Its totient is φ = 15152640.

The previous prime is 28714423. The next prime is 28714457. The reversal of 28714425 is 52441782.

It is not a de Polignac number, because 28714425 - 2¹ = 28714423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28714421) 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, 5302 + ... + 9248.

It is an arithmetic number, because the mean of its divisors is an integer number (1999004).

Almost surely, 2^28714425 is an apocalyptic number.

28714425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28714425 is a deficient number, since it is larger than the sum of its proper divisors (19261671).

28714425 is a wasteful number, since it uses less digits than its factorization.

28714425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057 (or 4052 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 28714425 is about 5358.5842346650. The cubic root of 28714425 is about 306.2198748654.

The spelling of 28714425 in words is "twenty-eight million, seven hundred fourteen thousand, four hundred twenty-five".