61966303 has 8 divisors (see below), whose sum is σ = 73103360. Its totient is φ = 51400440.

The previous prime is 61966279. The next prime is 61966313. The reversal of 61966303 is 30366916.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61966303 - 2¹³ = 61958111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61966313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142563 + ... + 142996.

It is an arithmetic number, because the mean of its divisors is an integer number (9137920).

Almost surely, 2^61966303 is an apocalyptic number.

61966303 is a deficient number, since it is larger than the sum of its proper divisors (11137057).

61966303 is a wasteful number, since it uses less digits than its factorization.

61966303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285597.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 61966303 is about 7871.8678215529. The cubic root of 61966303 is about 395.7174441708.

The spelling of 61966303 in words is "sixty-one million, nine hundred sixty-six thousand, three hundred three".