61383373 has 4 divisors (see below), whose sum is σ = 61825120. Its totient is φ = 60941628.

The previous prime is 61383367. The next prime is 61383383. The reversal of 61383373 is 37338316.

61383373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61383373 - 2²¹ = 59286221 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 (61383353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220665 + ... + 220942.

It is an arithmetic number, because the mean of its divisors is an integer number (15456280).

Almost surely, 2^61383373 is an apocalyptic number.

It is an amenable number.

61383373 is a deficient number, since it is larger than the sum of its proper divisors (441747).

61383373 is a wasteful number, since it uses less digits than its factorization.

61383373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441746.

The product of its digits is 27216, while the sum is 34.

The square root of 61383373 is about 7834.7541761053. The cubic root of 61383373 is about 394.4726670336.

The spelling of 61383373 in words is "sixty-one million, three hundred eighty-three thousand, three hundred seventy-three".