42534998 has 16 divisors (see below), whose sum is σ = 71222976. Its totient is φ = 18884040.

The previous prime is 42534997. The next prime is 42535001. The reversal of 42534998 is 89943524.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21536 + ... + 23427.

It is an arithmetic number, because the mean of its divisors is an integer number (4451436).

Almost surely, 2^42534998 is an apocalyptic number.

42534998 is a deficient number, since it is larger than the sum of its proper divisors (28687978).

42534998 is a wasteful number, since it uses less digits than its factorization.

42534998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45019.

The product of its digits is 311040, while the sum is 44.

The square root of 42534998 is about 6521.8860768952. The cubic root of 42534998 is about 349.0723680877.

The spelling of 42534998 in words is "forty-two million, five hundred thirty-four thousand, nine hundred ninety-eight".