5181870 has 32 divisors (see below), whose sum is σ = 13092480. Its totient is φ = 1308960.

The previous prime is 5181859. The next prime is 5181881. The reversal of 5181870 is 781815.

5181870 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5181859) and next prime (5181881).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 3976 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (409140).

Almost surely, 2^5181870 is an apocalyptic number.

5181870 is an abundant number, since it is smaller than the sum of its proper divisors (7910610).

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

5181870 is a wasteful number, since it uses less digits than its factorization.

5181870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 5181870 is about 2276.3721136932. The cubic root of 5181870 is about 173.0462415509.

The spelling of 5181870 in words is "five million, one hundred eighty-one thousand, eight hundred seventy".