42523851 has 8 divisors (see below), whose sum is σ = 60033744. Its totient is φ = 26681600.

The previous prime is 42523823. The next prime is 42523879. The reversal of 42523851 is 15832524.

42523851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42523823) and next prime (42523879).

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 42523851 - 2⁹ = 42523339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42523801) 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 7 ways as a sum of consecutive naturals, for example, 416850 + ... + 416951.

It is an arithmetic number, because the mean of its divisors is an integer number (7504218).

Almost surely, 2^42523851 is an apocalyptic number.

42523851 is a deficient number, since it is larger than the sum of its proper divisors (17509893).

42523851 is a wasteful number, since it uses less digits than its factorization.

42523851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833821.

The product of its digits is 9600, while the sum is 30.

The square root of 42523851 is about 6521.0314368204. The cubic root of 42523851 is about 349.0418720269.

The spelling of 42523851 in words is "forty-two million, five hundred twenty-three thousand, eight hundred fifty-one".