5115481 has 4 divisors (see below), whose sum is σ = 5846272. Its totient is φ = 4384692.

The previous prime is 5115469. The next prime is 5115491. The reversal of 5115481 is 1845115.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1845115 = 5 ⋅369023.

It is a cyclic number.

It is not a de Polignac number, because 5115481 - 2⁵ = 5115449 is a prime.

It is a super-2 number, since 2×5115481² = 52336291722722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5115421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365385 + ... + 365398.

It is an arithmetic number, because the mean of its divisors is an integer number (1461568).

Almost surely, 2^5115481 is an apocalyptic number.

It is an amenable number.

5115481 is a deficient number, since it is larger than the sum of its proper divisors (730791).

5115481 is an equidigital number, since it uses as much as digits as its factorization.

5115481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730790.

The product of its digits is 800, while the sum is 25.

The square root of 5115481 is about 2261.7429120039. The cubic root of 5115481 is about 172.3040525144.

The spelling of 5115481 in words is "five million, one hundred fifteen thousand, four hundred eighty-one".