6423502 has 4 divisors (see below), whose sum is σ = 9635256. Its totient is φ = 3211750.

The previous prime is 6423497. The next prime is 6423503. The reversal of 6423502 is 2053246.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6423502² = 82522755888008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605874 + ... + 1605877.

It is an arithmetic number, because the mean of its divisors is an integer number (2408814).

Almost surely, 2^6423502 is an apocalyptic number.

6423502 is a deficient number, since it is larger than the sum of its proper divisors (3211754).

6423502 is a wasteful number, since it uses less digits than its factorization.

6423502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211753.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 6423502 is about 2534.4628622254. The cubic root of 6423502 is about 185.8905395188.

Adding to 6423502 its reverse (2053246), we get a palindrome (8476748).

The spelling of 6423502 in words is "six million, four hundred twenty-three thousand, five hundred two".