42293551 has 4 divisors (see below), whose sum is σ = 42704272. Its totient is φ = 41882832.

The previous prime is 42293539. The next prime is 42293597. The reversal of 42293551 is 15539224.

42293551 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 a cyclic number.

It is not a de Polignac number, because 42293551 - 2⁹ = 42293039 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 (42293521) 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, 205206 + ... + 205411.

It is an arithmetic number, because the mean of its divisors is an integer number (10676068).

Almost surely, 2^42293551 is an apocalyptic number.

42293551 is a deficient number, since it is larger than the sum of its proper divisors (410721).

42293551 is a wasteful number, since it uses less digits than its factorization.

42293551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410720.

The product of its digits is 10800, while the sum is 31.

The square root of 42293551 is about 6503.3492140589. The cubic root of 42293551 is about 348.4106192579.

The spelling of 42293551 in words is "forty-two million, two hundred ninety-three thousand, five hundred fifty-one".