6642502 has 4 divisors (see below), whose sum is σ = 9963756. Its totient is φ = 3321250.

The previous prime is 6642497. The next prime is 6642521. The reversal of 6642502 is 2052466.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660624 + ... + 1660627.

It is an arithmetic number, because the mean of its divisors is an integer number (2490939).

Almost surely, 2^6642502 is an apocalyptic number.

6642502 is a deficient number, since it is larger than the sum of its proper divisors (3321254).

6642502 is a wasteful number, since it uses less digits than its factorization.

6642502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321253.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6642502 is about 2577.3051817742. The cubic root of 6642502 is about 187.9795322519.

Adding to 6642502 its reverse (2052466), we get a palindrome (8694968).

The spelling of 6642502 in words is "six million, six hundred forty-two thousand, five hundred two".