5240865 has 64 divisors (see below), whose sum is σ = 10506240. Its totient is φ = 2177280.

The previous prime is 5240863. The next prime is 5240867. The reversal of 5240865 is 5680425.

It is an interprime number because it is at equal distance from previous prime (5240863) and next prime (5240867).

It is not a de Polignac number, because 5240865 - 2¹ = 5240863 is a prime.

5240865 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5240863) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73780 + ... + 73850.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

Almost surely, 2^5240865 is an apocalyptic number.

It is an amenable number.

5240865 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

5240865 is a wasteful number, since it uses less digits than its factorization.

5240865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 5240865 is about 2289.2935591575. The cubic root of 5240865 is about 173.7004689483.

It can be divided in two parts, 5240 and 865, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 5240865 in words is "five million, two hundred forty thousand, eight hundred sixty-five".