5144420 has 12 divisors (see below), whose sum is σ = 10803324. Its totient is φ = 2057760.

The previous prime is 5144413. The next prime is 5144437. The reversal of 5144420 is 244415.

It can be written as a sum of positive squares in 2 ways, for example, as 2735716 + 2408704 = 1654^2 + 1552^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 257221 = 5144420 / (5 + 1 + 4 + 4 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 5144392 and 5144401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128591 + ... + 128630.

It is an arithmetic number, because the mean of its divisors is an integer number (900277).

Almost surely, 2^5144420 is an apocalyptic number.

It is an amenable number.

5144420 is an abundant number, since it is smaller than the sum of its proper divisors (5658904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5144420 is a wasteful number, since it uses less digits than its factorization.

5144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257230 (or 257228 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 5144420 is about 2268.1313894922. The cubic root of 5144420 is about 172.6283578709.

Adding to 5144420 its reverse (244415), we get a palindrome (5388835).

The spelling of 5144420 in words is "five million, one hundred forty-four thousand, four hundred twenty".