5240621 has 2 divisors, whose sum is σ = 5240622. Its totient is φ = 5240620.

The previous prime is 5240617. The next prime is 5240639. The reversal of 5240621 is 1260425.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4791721 + 448900 = 2189^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 5240621 - 2² = 5240617 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5240593 and 5240602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5240681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2620310 + 2620311.

It is an arithmetic number, because the mean of its divisors is an integer number (2620311).

Almost surely, 2^5240621 is an apocalyptic number.

It is an amenable number.

5240621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5240621 is an equidigital number, since it uses as much as digits as its factorization.

5240621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5240621 is about 2289.2402669882. The cubic root of 5240621 is about 173.6977732373.

The spelling of 5240621 in words is "five million, two hundred forty thousand, six hundred twenty-one".