61516363 has 8 divisors (see below), whose sum is σ = 62653248. Its totient is φ = 60389064.

The previous prime is 61516361. The next prime is 61516381. The reversal of 61516363 is 36361516.

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 61516363 - 2¹ = 61516361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61516361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11256 + ... + 15802.

It is an arithmetic number, because the mean of its divisors is an integer number (7831656).

Almost surely, 2^61516363 is an apocalyptic number.

61516363 is a deficient number, since it is larger than the sum of its proper divisors (1136885).

61516363 is a wasteful number, since it uses less digits than its factorization.

61516363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793.

The product of its digits is 9720, while the sum is 31.

The square root of 61516363 is about 7843.2367680697. The cubic root of 61516363 is about 394.7573428158.

Adding to 61516363 its reverse (36361516), we get a palindrome (97877879).

The spelling of 61516363 in words is "sixty-one million, five hundred sixteen thousand, three hundred sixty-three".