5137220 has 48 divisors (see below), whose sum is σ = 12398400. Its totient is φ = 1768320.

The previous prime is 5137219. The next prime is 5137243. The reversal of 5137220 is 227315.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5137192 and 5137201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3566 + ... + 4794.

It is an arithmetic number, because the mean of its divisors is an integer number (258300).

Almost surely, 2^5137220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5137220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6199200).

5137220 is an abundant number, since it is smaller than the sum of its proper divisors (7261180).

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

5137220 is a wasteful number, since it uses less digits than its factorization.

5137220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 5137220 is about 2266.5436241114. The cubic root of 5137220 is about 172.5477848434.

The spelling of 5137220 in words is "five million, one hundred thirty-seven thousand, two hundred twenty".