42502685 has 8 divisors (see below), whose sum is σ = 51233280. Its totient is φ = 33848784.

The previous prime is 42502673. The next prime is 42502687. The reversal of 42502685 is 58620524.

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 42502685 - 2¹⁰ = 42501661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42502687) 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, 17945 + ... + 20174.

It is an arithmetic number, because the mean of its divisors is an integer number (6404160).

Almost surely, 2^42502685 is an apocalyptic number.

It is an amenable number.

42502685 is a deficient number, since it is larger than the sum of its proper divisors (8730595).

42502685 is a wasteful number, since it uses less digits than its factorization.

42502685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38347.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 42502685 is about 6519.4083320498. The cubic root of 42502685 is about 348.9839512274.

The spelling of 42502685 in words is "forty-two million, five hundred two thousand, six hundred eighty-five".