6402502 has 4 divisors (see below), whose sum is σ = 9603756. Its totient is φ = 3201250.

The previous prime is 6402493. The next prime is 6402527. The reversal of 6402502 is 2052046.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6402502.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1600624 + ... + 1600627.

It is an arithmetic number, because the mean of its divisors is an integer number (2400939).

Almost surely, 2^6402502 is an apocalyptic number.

6402502 is a deficient number, since it is larger than the sum of its proper divisors (3201254).

6402502 is a wasteful number, since it uses less digits than its factorization.

6402502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201253.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 6402502 is about 2530.3165809835. The cubic root of 6402502 is about 185.6877444742.

Adding to 6402502 its reverse (2052046), we get a palindrome (8454548).

The spelling of 6402502 in words is "six million, four hundred two thousand, five hundred two".