5660247 has 4 divisors (see below), whose sum is σ = 7547000. Its totient is φ = 3773496.

The previous prime is 5660243. The next prime is 5660273. The reversal of 5660247 is 7420665.

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

It is not a de Polignac number, because 5660247 - 2² = 5660243 is a prime.

It is a super-2 number, since 2×5660247² = 64076792202018, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5660243) 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, 943372 + ... + 943377.

It is an arithmetic number, because the mean of its divisors is an integer number (1886750).

Almost surely, 2^5660247 is an apocalyptic number.

5660247 is a deficient number, since it is larger than the sum of its proper divisors (1886753).

5660247 is a wasteful number, since it uses less digits than its factorization.

5660247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886752.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 5660247 is about 2379.1273610297. The cubic root of 5660247 is about 178.2153581571.

The spelling of 5660247 in words is "five million, six hundred sixty thousand, two hundred forty-seven".