2645002 has 4 divisors (see below), whose sum is σ = 3967506. Its totient is φ = 1322500.

The previous prime is 2644981. The next prime is 2645011. The reversal of 2645002 is 2005462.

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., 1324801 + 1320201 = 1151^2 + 1149^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661249 + ... + 661252.

2^2645002 is an apocalyptic number.

2645002 is a deficient number, since it is larger than the sum of its proper divisors (1322504).

2645002 is a wasteful number, since it uses less digits than its factorization.

2645002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322503.

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

The square root of 2645002 is about 1626.3462116044. The cubic root of 2645002 is about 138.2956972499.

The spelling of 2645002 in words is "two million, six hundred forty-five thousand, two".