6452421 has 8 divisors (see below), whose sum is σ = 8684064. Its totient is φ = 4261200.

The previous prime is 6452389. The next prime is 6452423. The reversal of 6452421 is 1242546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6452421 - 2⁵ = 6452389 is a prime.

It is a super-2 number, since 2×6452421² = 83267473522482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6452391 and 6452400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6452423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9730 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (1085508).

Almost surely, 2^6452421 is an apocalyptic number.

It is an amenable number.

6452421 is a deficient number, since it is larger than the sum of its proper divisors (2231643).

6452421 is a wasteful number, since it uses less digits than its factorization.

6452421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211.

The product of its digits is 1920, while the sum is 24.

The square root of 6452421 is about 2540.1616090320. The cubic root of 6452421 is about 186.1690854627.

Adding to 6452421 its reverse (1242546), we get a palindrome (7694967).

The spelling of 6452421 in words is "six million, four hundred fifty-two thousand, four hundred twenty-one".