5181498 has 96 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 1336320.

The previous prime is 5181497. The next prime is 5181499. The reversal of 5181498 is 8941815.

It is an interprime number because it is at equal distance from previous prime (5181497) and next prime (5181499).

It is not an unprimeable number, because it can be changed into a prime (5181497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87793 + ... + 87851.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

Almost surely, 2^5181498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5181498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7076160).

5181498 is an abundant number, since it is smaller than the sum of its proper divisors (8970822).

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

5181498 is a wasteful number, since it uses less digits than its factorization.

5181498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 129 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 5181498 is about 2276.2904032658. The cubic root of 5181498 is about 173.0421005270.

It can be divided in two parts, 518 and 1498, that added together give a triangular number (2016 = T₆₃).

The spelling of 5181498 in words is "five million, one hundred eighty-one thousand, four hundred ninety-eight".