6247491 has 4 divisors (see below), whose sum is σ = 8329992. Its totient is φ = 4164992.

The previous prime is 6247477. The next prime is 6247519. The reversal of 6247491 is 1947426.

It is a happy number.

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 6247491 - 2¹⁸ = 5985347 is a prime.

It is a super-2 number, since 2×6247491² = 78062287590162, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6247411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041246 + ... + 1041251.

It is an arithmetic number, because the mean of its divisors is an integer number (2082498).

Almost surely, 2^6247491 is an apocalyptic number.

6247491 is a deficient number, since it is larger than the sum of its proper divisors (2082501).

6247491 is a wasteful number, since it uses less digits than its factorization.

6247491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082500.

The product of its digits is 12096, while the sum is 33.

The square root of 6247491 is about 2499.4981496292. The cubic root of 6247491 is about 184.1769230062.

The spelling of 6247491 in words is "six million, two hundred forty-seven thousand, four hundred ninety-one".