42523601 has 8 divisors (see below), whose sum is σ = 44301600. Its totient is φ = 40780960.

The previous prime is 42523589. The next prime is 42523643. The reversal of 42523601 is 10632524.

42523601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42523601 is a prime.

It is a Duffinian number.

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, 6371 + ... + 11208.

It is an arithmetic number, because the mean of its divisors is an integer number (5537700).

Almost surely, 2^42523601 is an apocalyptic number.

42523601 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42523601 is a deficient number, since it is larger than the sum of its proper divisors (1777999).

42523601 is a wasteful number, since it uses less digits than its factorization.

42523601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17679.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42523601 is about 6521.0122680455. The cubic root of 42523601 is about 349.0411880136.

The spelling of 42523601 in words is "forty-two million, five hundred twenty-three thousand, six hundred one".