6815252 has 12 divisors (see below), whose sum is σ = 12249300. Its totient is φ = 3315456.

The previous prime is 6815233. The next prime is 6815293. The reversal of 6815252 is 2525186.

It can be written as a sum of positive squares in 2 ways, for example, as 2669956 + 4145296 = 1634^2 + 2036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22877 + ... + 23172.

It is an arithmetic number, because the mean of its divisors is an integer number (1020775).

Almost surely, 2^6815252 is an apocalyptic number.

It is an amenable number.

6815252 is a deficient number, since it is larger than the sum of its proper divisors (5434048).

6815252 is a wasteful number, since it uses less digits than its factorization.

6815252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46090 (or 46088 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 6815252 is about 2610.6037615847. The cubic root of 6815252 is about 189.5951861312.

The spelling of 6815252 in words is "six million, eight hundred fifteen thousand, two hundred fifty-two".