6252021 has 12 divisors (see below), whose sum is σ = 9423648. Its totient is φ = 3986664.

The previous prime is 6252019. The next prime is 6252031. The reversal of 6252021 is 1202526.

6252021 is a `hidden beast` number, since 625 + 20 + 21 = 666.

6252021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6252021 - 2¹ = 6252019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6251985 and 6252003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6252011) 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, 14895 + ... + 15308.

It is an arithmetic number, because the mean of its divisors is an integer number (785304).

Almost surely, 2^6252021 is an apocalyptic number.

It is an amenable number.

6252021 is a deficient number, since it is larger than the sum of its proper divisors (3171627).

6252021 is a wasteful number, since it uses less digits than its factorization.

6252021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30232 (or 30229 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 6252021 is about 2500.4041673298. The cubic root of 6252021 is about 184.2214272661.

Adding to 6252021 its reverse (1202526), we get a palindrome (7454547).

The spelling of 6252021 in words is "six million, two hundred fifty-two thousand, twenty-one".