61933387 has 4 divisors (see below), whose sum is σ = 62045136. Its totient is φ = 61821640.

The previous prime is 61933351. The next prime is 61933423. The reversal of 61933387 is 78333916.

61933387 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.

It is an interprime number because it is at equal distance from previous prime (61933351) and next prime (61933423).

It is a cyclic number.

It is not a de Polignac number, because 61933387 - 2²³ = 53544779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61933307) 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, 55039 + ... + 56152.

It is an arithmetic number, because the mean of its divisors is an integer number (15511284).

Almost surely, 2^61933387 is an apocalyptic number.

61933387 is a deficient number, since it is larger than the sum of its proper divisors (111749).

61933387 is a wasteful number, since it uses less digits than its factorization.

61933387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111748.

The product of its digits is 81648, while the sum is 40.

The square root of 61933387 is about 7869.7768075086. The cubic root of 61933387 is about 395.6473644566.

The spelling of 61933387 in words is "sixty-one million, nine hundred thirty-three thousand, three hundred eighty-seven".