42524311 has 4 divisors (see below), whose sum is σ = 42557824. Its totient is φ = 42490800.

The previous prime is 42524239. The next prime is 42524329. The reversal of 42524311 is 11342524.

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 42524311 - 2⁹ = 42523799 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 (42524371) 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, 14775 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (10639456).

Almost surely, 2^42524311 is an apocalyptic number.

42524311 is a deficient number, since it is larger than the sum of its proper divisors (33513).

42524311 is a wasteful number, since it uses less digits than its factorization.

42524311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33512.

The product of its digits is 960, while the sum is 22.

The square root of 42524311 is about 6521.0667072190. The cubic root of 42524311 is about 349.0431306044.

Adding to 42524311 its reverse (11342524), we get a palindrome (53866835).

The spelling of 42524311 in words is "forty-two million, five hundred twenty-four thousand, three hundred eleven".