42611593 has 4 divisors (see below), whose sum is σ = 42762448. Its totient is φ = 42460740.

The previous prime is 42611579. The next prime is 42611603. The reversal of 42611593 is 39511624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42611593 - 2⁵ = 42611561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42611533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 75003 + ... + 75568.

It is an arithmetic number, because the mean of its divisors is an integer number (10690612).

Almost surely, 2^42611593 is an apocalyptic number.

It is an amenable number.

42611593 is a deficient number, since it is larger than the sum of its proper divisors (150855).

42611593 is a wasteful number, since it uses less digits than its factorization.

42611593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150854.

The product of its digits is 6480, while the sum is 31.

The square root of 42611593 is about 6527.7555867235. The cubic root of 42611593 is about 349.2817734111.

Adding to 42611593 its sum of digits (31), we get a palindrome (42611624).

The spelling of 42611593 in words is "forty-two million, six hundred eleven thousand, five hundred ninety-three".