6245421 has 16 divisors (see below), whose sum is σ = 10249344. Its totient is φ = 3294144.

The previous prime is 6245413. The next prime is 6245431. The reversal of 6245421 is 1245426.

It is not a de Polignac number, because 6245421 - 2³ = 6245413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6245391 and 6245400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11166 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (640584).

Almost surely, 2^6245421 is an apocalyptic number.

It is an amenable number.

6245421 is a deficient number, since it is larger than the sum of its proper divisors (4003923).

6245421 is a wasteful number, since it uses less digits than its factorization.

6245421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22900.

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

The square root of 6245421 is about 2499.0840322006. The cubic root of 6245421 is about 184.1565794611.

It can be divided in two parts, 6245 and 421, that added together give a palindrome (6666).

The spelling of 6245421 in words is "six million, two hundred forty-five thousand, four hundred twenty-one".