42827051 has 4 divisors (see below), whose sum is σ = 42846504. Its totient is φ = 42807600.

The previous prime is 42827041. The next prime is 42827077. The reversal of 42827051 is 15072824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42827051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42827041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5930 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (10711626).

Almost surely, 2^42827051 is an apocalyptic number.

42827051 is a deficient number, since it is larger than the sum of its proper divisors (19453).

42827051 is a wasteful number, since it uses less digits than its factorization.

42827051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19452.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 42827051 is about 6544.2379999508. The cubic root of 42827051 is about 349.8694778623.

Adding to 42827051 its reverse (15072824), we get a palindrome (57899875).

The spelling of 42827051 in words is "forty-two million, eight hundred twenty-seven thousand, fifty-one".