5187820 has 24 divisors (see below), whose sum is σ = 11885328. Its totient is φ = 1886400.

The previous prime is 5187803. The next prime is 5187827. The reversal of 5187820 is 287815.

5187820 = T₂₃₂ + T₂₃₃ + ... + T₃₅₁.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11571 + ... + 12010.

It is an arithmetic number, because the mean of its divisors is an integer number (495222).

Almost surely, 2^5187820 is an apocalyptic number.

It is an amenable number.

5187820 is an abundant number, since it is smaller than the sum of its proper divisors (6697508).

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

5187820 is a wasteful number, since it uses less digits than its factorization.

5187820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23601 (or 23599 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 5187820 is about 2277.6786428291. The cubic root of 5187820 is about 173.1124487506.

It can be divided in two parts, 518 and 7820, that added together give a palindrome (8338).

The spelling of 5187820 in words is "five million, one hundred eighty-seven thousand, eight hundred twenty".