42452535 has 32 divisors (see below), whose sum is σ = 69431040. Its totient is φ = 22146048.

The previous prime is 42452497. The next prime is 42452537. The reversal of 42452535 is 53525424.

It is not a de Polignac number, because 42452535 - 2¹⁰ = 42451511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42452537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237076 + ... + 237254.

It is an arithmetic number, because the mean of its divisors is an integer number (2169720).

Almost surely, 2^42452535 is an apocalyptic number.

42452535 is a deficient number, since it is larger than the sum of its proper divisors (26978505).

42452535 is a wasteful number, since it uses less digits than its factorization.

42452535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its digits is 24000, while the sum is 30.

The square root of 42452535 is about 6515.5609888942. The cubic root of 42452535 is about 348.8466388578.

Adding to 42452535 its reverse (53525424), we get a palindrome (95977959).

The spelling of 42452535 in words is "forty-two million, four hundred fifty-two thousand, five hundred thirty-five".