5149815 has 48 divisors (see below), whose sum is σ = 9555840. Its totient is φ = 2347840.

The previous prime is 5149801. The next prime is 5149829. The reversal of 5149815 is 5189415.

5149815 = T₄₅₀ + T₄₅₁ + ... + T₄₉₅.

It is an interprime number because it is at equal distance from previous prime (5149801) and next prime (5149829).

It is not a de Polignac number, because 5149815 - 2⁵ = 5149783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87256 + ... + 87314.

It is an arithmetic number, because the mean of its divisors is an integer number (199080).

Almost surely, 2^5149815 is an apocalyptic number.

5149815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5149815 is a deficient number, since it is larger than the sum of its proper divisors (4406025).

5149815 is a wasteful number, since it uses less digits than its factorization.

5149815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 101 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

The square root of 5149815 is about 2269.3203828459. The cubic root of 5149815 is about 172.6886824307.

The spelling of 5149815 in words is "five million, one hundred forty-nine thousand, eight hundred fifteen".