42354534 has 32 divisors (see below), whose sum is σ = 89527680. Its totient is φ = 13321152.

The previous prime is 42354491. The next prime is 42354583. The reversal of 42354534 is 43545324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35089 + ... + 36275.

It is an arithmetic number, because the mean of its divisors is an integer number (2797740).

Almost surely, 2^42354534 is an apocalyptic number.

42354534 is an abundant number, since it is smaller than the sum of its proper divisors (47173146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42354534 is a wasteful number, since it uses less digits than its factorization.

42354534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its digits is 28800, while the sum is 30.

The square root of 42354534 is about 6508.0361093036. The cubic root of 42354534 is about 348.5779963986.

Adding to 42354534 its reverse (43545324), we get a palindrome (85899858).

The spelling of 42354534 in words is "forty-two million, three hundred fifty-four thousand, five hundred thirty-four".