61860063 has 8 divisors (see below), whose sum is σ = 84036528. Its totient is φ = 40461824.

The previous prime is 61860061. The next prime is 61860079. The reversal of 61860063 is 36006816.

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

It is a cyclic number.

It is not a de Polignac number, because 61860063 - 2¹ = 61860061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61860063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61860061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194370 + ... + 194687.

It is an arithmetic number, because the mean of its divisors is an integer number (10504566).

Almost surely, 2^61860063 is an apocalyptic number.

61860063 is a deficient number, since it is larger than the sum of its proper divisors (22176465).

61860063 is a wasteful number, since it uses less digits than its factorization.

61860063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389113.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 61860063 is about 7865.1168459216. The cubic root of 61860063 is about 395.4911648958.

Adding to 61860063 its reverse (36006816), we get a palindrome (97866879).

The spelling of 61860063 in words is "sixty-one million, eight hundred sixty thousand, sixty-three".