28014425 has 6 divisors (see below), whose sum is σ = 34737918. Its totient is φ = 22411520.

The previous prime is 28014401. The next prime is 28014443. The reversal of 28014425 is 52441082.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 839056 + 27175369 = 916^2 + 5213^2 .

It is not a de Polignac number, because 28014425 - 2¹⁶ = 27948889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28014394 and 28014403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560264 + ... + 560313.

It is an arithmetic number, because the mean of its divisors is an integer number (5789653).

Almost surely, 2^28014425 is an apocalyptic number.

28014425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28014425 is a deficient number, since it is larger than the sum of its proper divisors (6723493).

28014425 is a wasteful number, since it uses less digits than its factorization.

28014425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120587 (or 1120582 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 28014425 is about 5292.8654810037. The cubic root of 28014425 is about 303.7110344209.

The spelling of 28014425 in words is "twenty-eight million, fourteen thousand, four hundred twenty-five".