42500663 has 8 divisors (see below), whose sum is σ = 47369520. Its totient is φ = 37895040.

The previous prime is 42500651. The next prime is 42500669. The reversal of 42500663 is 36600524.

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

It is not a de Polignac number, because 42500663 - 2¹⁸ = 42238519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500669) 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, 65468 + ... + 66113.

It is an arithmetic number, because the mean of its divisors is an integer number (5921190).

Almost surely, 2^42500663 is an apocalyptic number.

42500663 is a deficient number, since it is larger than the sum of its proper divisors (4868857).

42500663 is a wasteful number, since it uses less digits than its factorization.

42500663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131617.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 42500663 is about 6519.2532547831. The cubic root of 42500663 is about 348.9784170143.

The spelling of 42500663 in words is "forty-two million, five hundred thousand, six hundred sixty-three".