42604111 has 4 divisors (see below), whose sum is σ = 46477224. Its totient is φ = 38731000.

The previous prime is 42604097. The next prime is 42604117. The reversal of 42604111 is 11140624.

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

It is not a de Polignac number, because 42604111 - 2¹³ = 42595919 is a prime.

It is a super-2 number, since 2×42604111² = 3630220548200642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42604117) 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, 1936540 + ... + 1936561.

It is an arithmetic number, because the mean of its divisors is an integer number (11619306).

Almost surely, 2^42604111 is an apocalyptic number.

42604111 is a deficient number, since it is larger than the sum of its proper divisors (3873113).

42604111 is a wasteful number, since it uses less digits than its factorization.

42604111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873112.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 42604111 is about 6527.1824702547. The cubic root of 42604111 is about 349.2613292158.

Adding to 42604111 its reverse (11140624), we get a palindrome (53744735).

The spelling of 42604111 in words is "forty-two million, six hundred four thousand, one hundred eleven".