5271615 has 32 divisors (see below), whose sum is σ = 9927360. Its totient is φ = 2644992.

The previous prime is 5271613. The next prime is 5271619. The reversal of 5271615 is 5161725.

It is a Cunningham number, because it is equal to 2296²-1.

It is not a de Polignac number, because 5271615 - 2¹ = 5271613 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271613) 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 31 ways as a sum of consecutive naturals, for example, 1147 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (310230).

Almost surely, 2^5271615 is an apocalyptic number.

5271615 is a deficient number, since it is larger than the sum of its proper divisors (4655745).

5271615 is a wasteful number, since it uses less digits than its factorization.

5271615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328 (or 2322 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 5271615 is about 2295.9997822300. Note that the first 3 decimals coincide. The cubic root of 5271615 is about 174.0395272863.

It can be divided in two parts, 5271 and 615, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 5271615 in words is "five million, two hundred seventy-one thousand, six hundred fifteen".