61020002 has 16 divisors (see below), whose sum is σ = 95758200. Its totient is φ = 29124480.

The previous prime is 61019977. The next prime is 61020017. The reversal of 61020002 is 20002016.

61020002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32706961 + 28313041 = 5719^2 + 5321^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749 + ... + 11072.

Almost surely, 2^61020002 is an apocalyptic number.

61020002 is a deficient number, since it is larger than the sum of its proper divisors (34738198).

61020002 is a wasteful number, since it uses less digits than its factorization.

61020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11941.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 61020002 is about 7811.5300677908. The cubic root of 61020002 is about 393.6927397376.

Adding to 61020002 its reverse (20002016), we get a palindrome (81022018).

The spelling of 61020002 in words is "sixty-one million, twenty thousand, two".