5215155 has 16 divisors (see below), whose sum is σ = 9103104. Its totient is φ = 2528480.

The previous prime is 5215151. The next prime is 5215183. The reversal of 5215155 is 5515125.

It is not a de Polignac number, because 5215155 - 2² = 5215151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5215151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15639 + ... + 15968.

It is an arithmetic number, because the mean of its divisors is an integer number (568944).

Almost surely, 2^5215155 is an apocalyptic number.

5215155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5215155 is a deficient number, since it is larger than the sum of its proper divisors (3887949).

5215155 is a wasteful number, since it uses less digits than its factorization.

5215155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31626.

The product of its digits is 1250, while the sum is 24.

The square root of 5215155 is about 2283.6713861675. The cubic root of 5215155 is about 173.4159636435.

The spelling of 5215155 in words is "five million, two hundred fifteen thousand, one hundred fifty-five".