648202 has 4 divisors (see below), whose sum is σ = 972306. Its totient is φ = 324100.

The previous prime is 648199. The next prime is 648211. The reversal of 648202 is 202846.

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

It can be written as a sum of positive squares in only one way, i.e., 638401 + 9801 = 799^2 + 99^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162049 + ... + 162052.

2⁶⁴⁸²⁰² is an apocalyptic number.

648202 is a deficient number, since it is larger than the sum of its proper divisors (324104).

648202 is a wasteful number, since it uses less digits than its factorization.

648202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324103.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 648202 is about 805.1099303822. The cubic root of 648202 is about 86.5439650871.

The spelling of 648202 in words is "six hundred forty-eight thousand, two hundred two".