61475983 has 8 divisors (see below), whose sum is σ = 63279680. Its totient is φ = 59698080.

The previous prime is 61475951. The next prime is 61475993. The reversal of 61475983 is 38957416.

61475983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61475983 - 2⁵ = 61475951 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 (61475903) 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 7 ways as a sum of consecutive naturals, for example, 1560 + ... + 11197.

It is an arithmetic number, because the mean of its divisors is an integer number (7909960).

Almost surely, 2^61475983 is an apocalyptic number.

61475983 is a deficient number, since it is larger than the sum of its proper divisors (1803697).

61475983 is a wasteful number, since it uses less digits than its factorization.

61475983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897.

The product of its digits is 181440, while the sum is 43.

The square root of 61475983 is about 7840.6621531603. The cubic root of 61475983 is about 394.6709495930.

The spelling of 61475983 in words is "sixty-one million, four hundred seventy-five thousand, nine hundred eighty-three".