6015491 has 4 divisors (see below), whose sum is σ = 6029112. Its totient is φ = 6001872.

The previous prime is 6015481. The next prime is 6015511. The reversal of 6015491 is 1945106.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6015491 - 2¹⁰ = 6014467 is a prime.

It is a super-2 number, since 2×6015491² = 72372263942162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6015491.

It is not an unprimeable number, because it can be changed into a prime (6015431) 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, 6125 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (1507278).

Almost surely, 2^6015491 is an apocalyptic number.

6015491 is a deficient number, since it is larger than the sum of its proper divisors (13621).

6015491 is a wasteful number, since it uses less digits than its factorization.

6015491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13620.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 6015491 is about 2452.6497915520. The cubic root of 6015491 is about 181.8683083079.

It can be divided in two parts, 60 and 15491, that added together give a palindrome (15551).

The spelling of 6015491 in words is "six million, fifteen thousand, four hundred ninety-one".