5642002 has 4 divisors (see below), whose sum is σ = 8463006. Its totient is φ = 2821000.

The previous prime is 5641997. The next prime is 5642017. The reversal of 5642002 is 2002465.

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., 3236401 + 2405601 = 1799^2 + 1551^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410499 + ... + 1410502.

Almost surely, 2^5642002 is an apocalyptic number.

5642002 is a deficient number, since it is larger than the sum of its proper divisors (2821004).

5642002 is a wasteful number, since it uses less digits than its factorization.

5642002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821003.

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

The square root of 5642002 is about 2375.2898770466. The cubic root of 5642002 is about 178.0236681064.

Adding to 5642002 its reverse (2002465), we get a palindrome (7644467).

The spelling of 5642002 in words is "five million, six hundred forty-two thousand, two".