5081428 has 24 divisors (see below), whose sum is σ = 9888480. Its totient is φ = 2265120.

The previous prime is 5081407. The next prime is 5081437. The reversal of 5081428 is 8241805.

It is a junction number, because it is equal to n+sod(n) for n = 5081396 and 5081405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (412020).

Almost surely, 2^5081428 is an apocalyptic number.

It is an amenable number.

5081428 is a deficient number, since it is larger than the sum of its proper divisors (4807052).

5081428 is a wasteful number, since it uses less digits than its factorization.

5081428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247 (or 2245 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 5081428 is about 2254.2022979316. The cubic root of 5081428 is about 171.9208667891.

It can be divided in two parts, 508 and 1428, that added together give a square (1936 = 44²).

The spelling of 5081428 in words is "five million, eighty-one thousand, four hundred twenty-eight".