5018155 has 4 divisors (see below), whose sum is σ = 6021792. Its totient is φ = 4014520.

The previous prime is 5018149. The next prime is 5018161. The reversal of 5018155 is 5518105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5518105 = 5 ⋅1103621.

It is an interprime number because it is at equal distance from previous prime (5018149) and next prime (5018161).

It is a de Polignac number, because none of the positive numbers 2^k-5018155 is a prime.

It is a Duffinian number.

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, 501811 + ... + 501820.

It is an arithmetic number, because the mean of its divisors is an integer number (1505448).

Almost surely, 2^5018155 is an apocalyptic number.

5018155 is a deficient number, since it is larger than the sum of its proper divisors (1003637).

5018155 is a wasteful number, since it uses less digits than its factorization.

5018155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003636.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 5018155 is about 2240.1238805030. The cubic root of 5018155 is about 171.2043087650.

The spelling of 5018155 in words is "five million, eighteen thousand, one hundred fifty-five".