5155515 has 16 divisors (see below), whose sum is σ = 9165600. Its totient is φ = 2749536.

The previous prime is 5155511. The next prime is 5155547.

5155515 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5155515 - 2² = 5155511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (5155511) 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, 18960 + ... + 19229.

It is an arithmetic number, because the mean of its divisors is an integer number (572850).

Almost surely, 2^5155515 is an apocalyptic number.

5155515 is a deficient number, since it is larger than the sum of its proper divisors (4010085).

5155515 is a wasteful number, since it uses less digits than its factorization.

5155515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38203 (or 38197 counting only the distinct ones).

The product of its digits is 3125, while the sum is 27.

The square root of 5155515 is about 2270.5759181318. The cubic root of 5155515 is about 172.7523716150.

The spelling of 5155515 in words is "five million, one hundred fifty-five thousand, five hundred fifteen".