5307021 has 12 divisors (see below), whose sum is σ = 7873372. Its totient is φ = 3442176.

The previous prime is 5307011. The next prime is 5307053. The reversal of 5307021 is 1207035.

5307021 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4284900 + 1022121 = 2070^2 + 1011^2 .

It is not a de Polignac number, because 5307021 - 2⁵ = 5306989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5306985 and 5307003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5307011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7636 + ... + 8301.

Almost surely, 2^5307021 is an apocalyptic number.

It is an amenable number.

5307021 is a deficient number, since it is larger than the sum of its proper divisors (2566351).

5307021 is a wasteful number, since it uses less digits than its factorization.

5307021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15980 (or 15977 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 5307021 is about 2303.6972457335. The cubic root of 5307021 is about 174.4282948824.

The spelling of 5307021 in words is "five million, three hundred seven thousand, twenty-one".