42542465 has 8 divisors (see below), whose sum is σ = 58344000. Its totient is φ = 29171952.

The previous prime is 42542459. The next prime is 42542477. The reversal of 42542465 is 56424524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42542465 - 2⁸ = 42542209 is a prime.

It is a super-2 number, since 2×42542465² = 3619722656552450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607715 + ... + 607784.

It is an arithmetic number, because the mean of its divisors is an integer number (7293000).

Almost surely, 2^42542465 is an apocalyptic number.

It is an amenable number.

42542465 is a deficient number, since it is larger than the sum of its proper divisors (15801535).

42542465 is a wasteful number, since it uses less digits than its factorization.

42542465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215511.

The product of its digits is 38400, while the sum is 32.

The square root of 42542465 is about 6522.4585088753. The cubic root of 42542465 is about 349.0927933922.

Adding to 42542465 its reverse (56424524), we get a palindrome (98966989).

The spelling of 42542465 in words is "forty-two million, five hundred forty-two thousand, four hundred sixty-five".