5717645 has 4 divisors (see below), whose sum is σ = 6861180. Its totient is φ = 4574112.

The previous prime is 5717641. The next prime is 5717653. The reversal of 5717645 is 5467175.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1705636 + 4012009 = 1306^2 + 2003^2 .

It is a cyclic number.

It is not a de Polignac number, because 5717645 - 2² = 5717641 is a prime.

It is a super-3 number, since 3×5717645³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5717641) 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, 571760 + ... + 571769.

It is an arithmetic number, because the mean of its divisors is an integer number (1715295).

Almost surely, 2^5717645 is an apocalyptic number.

It is an amenable number.

5717645 is a deficient number, since it is larger than the sum of its proper divisors (1143535).

5717645 is a wasteful number, since it uses less digits than its factorization.

5717645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143534.

The product of its digits is 29400, while the sum is 35.

The square root of 5717645 is about 2391.1597604510. The cubic root of 5717645 is about 178.8157337258.

The spelling of 5717645 in words is "five million, seven hundred seventeen thousand, six hundred forty-five".