42814951 has 4 divisors (see below), whose sum is σ = 42829272. Its totient is φ = 42800632.

The previous prime is 42814949. The next prime is 42814973. The reversal of 42814951 is 15941824.

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 42814951 - 2¹ = 42814949 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 (42814901) 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, 781 + ... + 9286.

It is an arithmetic number, because the mean of its divisors is an integer number (10707318).

Almost surely, 2^42814951 is an apocalyptic number.

42814951 is a deficient number, since it is larger than the sum of its proper divisors (14321).

42814951 is a wasteful number, since it uses less digits than its factorization.

42814951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320.

The product of its digits is 11520, while the sum is 34.

The square root of 42814951 is about 6543.3134572631. The cubic root of 42814951 is about 349.8365250179.

The spelling of 42814951 in words is "forty-two million, eight hundred fourteen thousand, nine hundred fifty-one".