61475339 has 4 divisors (see below), whose sum is σ = 61604160. Its totient is φ = 61346520.

The previous prime is 61475333. The next prime is 61475347. The reversal of 61475339 is 93357416.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61475339 - 2⁸ = 61475083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61475333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63692 + ... + 64649.

It is an arithmetic number, because the mean of its divisors is an integer number (15401040).

Almost surely, 2^61475339 is an apocalyptic number.

61475339 is a deficient number, since it is larger than the sum of its proper divisors (128821).

61475339 is a wasteful number, since it uses less digits than its factorization.

61475339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128820.

The product of its digits is 68040, while the sum is 38.

The square root of 61475339 is about 7840.6210850927. The cubic root of 61475339 is about 394.6695714451.

The spelling of 61475339 in words is "sixty-one million, four hundred seventy-five thousand, three hundred thirty-nine".