61323193 has 4 divisors (see below), whose sum is σ = 61339428. Its totient is φ = 61306960.

The previous prime is 61323191. The next prime is 61323209. The reversal of 61323193 is 39132316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3988009 + 57335184 = 1997^2 + 7572^2 .

It is a cyclic number.

It is not a de Polignac number, because 61323193 - 2¹ = 61323191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61323191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855 + ... + 11107.

It is an arithmetic number, because the mean of its divisors is an integer number (15334857).

Almost surely, 2^61323193 is an apocalyptic number.

It is an amenable number.

61323193 is a deficient number, since it is larger than the sum of its proper divisors (16235).

61323193 is a wasteful number, since it uses less digits than its factorization.

61323193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16234.

The product of its digits is 2916, while the sum is 28.

The square root of 61323193 is about 7830.9126543462. The cubic root of 61323193 is about 394.3437117690.

It can be divided in two parts, 61323 and 193, that added together give a palindrome (61516).

The spelling of 61323193 in words is "sixty-one million, three hundred twenty-three thousand, one hundred ninety-three".