61002866 has 4 divisors (see below), whose sum is σ = 91504302. Its totient is φ = 30501432.

The previous prime is 61002857. The next prime is 61002911. The reversal of 61002866 is 66820016.

61002866 is nontrivially palindromic in base 14.

61002866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 59367025 + 1635841 = 7705^2 + 1279^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 15250715 + ... + 15250718.

Almost surely, 2^61002866 is an apocalyptic number.

61002866 is a deficient number, since it is larger than the sum of its proper divisors (30501436).

61002866 is a wasteful number, since it uses less digits than its factorization.

61002866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30501435.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 61002866 is about 7810.4331506005. The cubic root of 61002866 is about 393.6558832415.

The spelling of 61002866 in words is "sixty-one million, two thousand, eight hundred sixty-six".