42995951 has 8 divisors (see below), whose sum is σ = 44564880. Its totient is φ = 41432832.

The previous prime is 42995933. The next prime is 42995957. The reversal of 42995951 is 15959924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42995951 - 2¹⁰ = 42994927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42995957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18416 + ... + 20618.

It is an arithmetic number, because the mean of its divisors is an integer number (5570610).

Almost surely, 2^42995951 is an apocalyptic number.

42995951 is a deficient number, since it is larger than the sum of its proper divisors (1568929).

42995951 is a wasteful number, since it uses less digits than its factorization.

42995951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905.

The product of its digits is 145800, while the sum is 44.

The square root of 42995951 is about 6557.1297836782. The cubic root of 42995951 is about 350.3288093689.

The spelling of 42995951 in words is "forty-two million, nine hundred ninety-five thousand, nine hundred fifty-one".