42348491 has 4 divisors (see below), whose sum is σ = 42363000. Its totient is φ = 42333984.

The previous prime is 42348487. The next prime is 42348517. The reversal of 42348491 is 19484324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42348491 - 2² = 42348487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42348191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (10590750).

Almost surely, 2^42348491 is an apocalyptic number.

42348491 is a deficient number, since it is larger than the sum of its proper divisors (14509).

42348491 is a wasteful number, since it uses less digits than its factorization.

42348491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14508.

The product of its digits is 27648, while the sum is 35.

The square root of 42348491 is about 6507.5718205795. The cubic root of 42348491 is about 348.5614176381.

The spelling of 42348491 in words is "forty-two million, three hundred forty-eight thousand, four hundred ninety-one".