61002306 has 12 divisors (see below), whose sum is σ = 132171702. Its totient is φ = 20334096.

The previous prime is 61002289. The next prime is 61002313. The reversal of 61002306 is 60320016.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52056225 + 8946081 = 7215^2 + 2991^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 3389017 = 61002306 / (6 + 1 + 0 + 0 + 2 + 3 + 0 + 6).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1694491 + ... + 1694526.

Almost surely, 2^61002306 is an apocalyptic number.

61002306 is an abundant number, since it is smaller than the sum of its proper divisors (71169396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61002306 is a wasteful number, since it uses less digits than its factorization.

61002306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389025 (or 3389022 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 61002306 is about 7810.3973010341. The cubic root of 61002306 is about 393.6546786644.

The spelling of 61002306 in words is "sixty-one million, two thousand, three hundred six".