5240861 has 4 divisors (see below), whose sum is σ = 5245500. Its totient is φ = 5236224.

The previous prime is 5240857. The next prime is 5240863. The reversal of 5240861 is 1680425.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 3308761 = 1390^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 5240861 - 2² = 5240857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5240861.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 605 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (1311375).

Almost surely, 2^5240861 is an apocalyptic number.

It is an amenable number.

5240861 is a deficient number, since it is larger than the sum of its proper divisors (4639).

5240861 is a wasteful number, since it uses less digits than its factorization.

5240861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 5240861 is about 2289.2926855254. The cubic root of 5240861 is about 173.7004247570.

The spelling of 5240861 in words is "five million, two hundred forty thousand, eight hundred sixty-one".