5207021 has 4 divisors (see below), whose sum is σ = 5292444. Its totient is φ = 5121600.

The previous prime is 5207011. The next prime is 5207023. The reversal of 5207021 is 1207025.

5207021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1653796 + 3553225 = 1286^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 5207021 - 2¹⁰ = 5205997 is a prime.

It is a super-2 number, since 2×5207021² = 54226135388882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5207023) 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, 42620 + ... + 42741.

It is an arithmetic number, because the mean of its divisors is an integer number (1323111).

Almost surely, 2^5207021 is an apocalyptic number.

It is an amenable number.

5207021 is a deficient number, since it is larger than the sum of its proper divisors (85423).

5207021 is an equidigital number, since it uses as much as digits as its factorization.

5207021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85422.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 5207021 is about 2281.8897869967. The cubic root of 5207021 is about 173.3257586269.

The spelling of 5207021 in words is "five million, two hundred seven thousand, twenty-one".