5240665 has 16 divisors (see below), whose sum is σ = 6624000. Its totient is φ = 3972672.

The previous prime is 5240663. The next prime is 5240681. The reversal of 5240665 is 5660425.

5240665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5240665 - 2¹ = 5240663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5240663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22771 + ... + 22999.

It is an arithmetic number, because the mean of its divisors is an integer number (414000).

Almost surely, 2^5240665 is an apocalyptic number.

5240665 is the 1145-th decagonal number.

It is an amenable number.

5240665 is a deficient number, since it is larger than the sum of its proper divisors (1383335).

5240665 is a wasteful number, since it uses less digits than its factorization.

5240665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5240665 is about 2289.2498771432. The cubic root of 5240665 is about 173.6982593553.

The spelling of 5240665 in words is "five million, two hundred forty thousand, six hundred sixty-five".