61103321 has 8 divisors (see below), whose sum is σ = 65097504. Its totient is φ = 57153600.

The previous prime is 61103309. The next prime is 61103323. The reversal of 61103321 is 12330116.

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 61103321 - 2⁶ = 61103257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61103321.

It is not an unprimeable number, because it can be changed into a prime (61103323) 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, 8255 + ... + 13796.

It is an arithmetic number, because the mean of its divisors is an integer number (8137188).

Almost surely, 2^61103321 is an apocalyptic number.

It is an amenable number.

61103321 is a deficient number, since it is larger than the sum of its proper divisors (3994183).

61103321 is a wasteful number, since it uses less digits than its factorization.

61103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22231.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 61103321 is about 7816.8613266451. The cubic root of 61103321 is about 393.8718458552.

Adding to 61103321 its reverse (12330116), we get a palindrome (73433437).

The spelling of 61103321 in words is "sixty-one million, one hundred three thousand, three hundred twenty-one".