42546385 has 16 divisors (see below), whose sum is σ = 58579200. Its totient is φ = 29059776.

The previous prime is 42546373. The next prime is 42546401. The reversal of 42546385 is 58364524.

It is a cyclic number.

It is not a de Polignac number, because 42546385 - 2⁹ = 42545873 is a prime.

Its product of digits (115200) is a multiple of the sum of its prime divisors (4800).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7156 + ... + 11674.

It is an arithmetic number, because the mean of its divisors is an integer number (3661200).

Almost surely, 2^42546385 is an apocalyptic number.

It is an amenable number.

42546385 is a deficient number, since it is larger than the sum of its proper divisors (16032815).

42546385 is a wasteful number, since it uses less digits than its factorization.

42546385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800.

The product of its digits is 115200, while the sum is 37.

The square root of 42546385 is about 6522.7590021401. The cubic root of 42546385 is about 349.1035152417.

The spelling of 42546385 in words is "forty-two million, five hundred forty-six thousand, three hundred eighty-five".