42502605 has 8 divisors (see below), whose sum is σ = 68004192. Its totient is φ = 22668048.

The previous prime is 42502591. The next prime is 42502627. The reversal of 42502605 is 50620524.

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

It is not a de Polignac number, because 42502605 - 2⁶ = 42502541 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416739 + ... + 1416768.

It is an arithmetic number, because the mean of its divisors is an integer number (8500524).

Almost surely, 2^42502605 is an apocalyptic number.

It is an amenable number.

42502605 is a deficient number, since it is larger than the sum of its proper divisors (25501587).

42502605 is a wasteful number, since it uses less digits than its factorization.

42502605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833515.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42502605 is about 6519.4021965208. The cubic root of 42502605 is about 348.9837322707.

The spelling of 42502605 in words is "forty-two million, five hundred two thousand, six hundred five".