42693261 has 16 divisors (see below), whose sum is σ = 61622400. Its totient is φ = 26136000.

The previous prime is 42693241. The next prime is 42693263. The reversal of 42693261 is 16239624.

42693261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42693261 - 2⁶ = 42693197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42693263) 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 15 ways as a sum of consecutive naturals, for example, 5011 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (3851400).

Almost surely, 2^42693261 is an apocalyptic number.

It is an amenable number.

42693261 is a deficient number, since it is larger than the sum of its proper divisors (18929139).

42693261 is a wasteful number, since it uses less digits than its factorization.

42693261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716.

The product of its digits is 15552, while the sum is 33.

The square root of 42693261 is about 6534.0080348895. The cubic root of 42693261 is about 349.5047717221.

The spelling of 42693261 in words is "forty-two million, six hundred ninety-three thousand, two hundred sixty-one".