42485791 has 8 divisors (see below), whose sum is σ = 43916544. Its totient is φ = 41077080.

The previous prime is 42485777. The next prime is 42485801. The reversal of 42485791 is 19758424.

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 42485791 - 2⁵ = 42485759 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 (42485491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545 + ... + 9346.

It is an arithmetic number, because the mean of its divisors is an integer number (5489568).

Almost surely, 2^42485791 is an apocalyptic number.

42485791 is a deficient number, since it is larger than the sum of its proper divisors (1430753).

42485791 is a wasteful number, since it uses less digits than its factorization.

42485791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11021.

The product of its digits is 80640, while the sum is 40.

The square root of 42485791 is about 6518.1125335483. The cubic root of 42485791 is about 348.9377069631.

The spelling of 42485791 in words is "forty-two million, four hundred eighty-five thousand, seven hundred ninety-one".