210000002 has 4 divisors (see below), whose sum is σ = 315000006. Its totient is φ = 105000000.

The previous prime is 209999987. The next prime is 210000017. The reversal of 210000002 is 200000012.

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

It is an interprime number because it is at equal distance from previous prime (209999987) and next prime (210000017).

It can be written as a sum of positive squares in only one way, i.e., 146143921 + 63856081 = 12089^2 + 7991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52499999 + ... + 52500002.

Almost surely, 2^210000002 is an apocalyptic number.

210000002 is a deficient number, since it is larger than the sum of its proper divisors (105000004).

210000002 is a wasteful number, since it uses less digits than its factorization.

210000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105000003.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 210000002 is about 14491.3768151960. The cubic root of 210000002 is about 594.3921971633.

Adding to 210000002 its reverse (200000012), we get a palindrome (410000014).

The spelling of 210000002 in words is "two hundred ten million, two", and thus it is an aban number.