42542953 has 16 divisors (see below), whose sum is σ = 45460800. Its totient is φ = 39755520.

The previous prime is 42542947. The next prime is 42542963. The reversal of 42542953 is 35924524.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42542953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42542963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103813 + ... + 104221.

It is an arithmetic number, because the mean of its divisors is an integer number (2841300).

Almost surely, 2^42542953 is an apocalyptic number.

42542953 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42542953 is a deficient number, since it is larger than the sum of its proper divisors (2917847).

42542953 is a wasteful number, since it uses less digits than its factorization.

42542953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its digits is 43200, while the sum is 34.

The square root of 42542953 is about 6522.4959179750. The cubic root of 42542953 is about 349.0941281889.

The spelling of 42542953 in words is "forty-two million, five hundred forty-two thousand, nine hundred fifty-three".