42501513 has 8 divisors (see below), whose sum is σ = 60002208. Its totient is φ = 26667584.

The previous prime is 42501497. The next prime is 42501521. The reversal of 42501513 is 31510524.

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 42501513 - 2⁴ = 42501497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42501513.

It is not an unprimeable number, because it can be changed into a prime (42501593) 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, 416631 + ... + 416732.

It is an arithmetic number, because the mean of its divisors is an integer number (7500276).

Almost surely, 2^42501513 is an apocalyptic number.

It is an amenable number.

42501513 is a deficient number, since it is larger than the sum of its proper divisors (17500695).

42501513 is a wasteful number, since it uses less digits than its factorization.

42501513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833383.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 42501513 is about 6519.3184459727. The cubic root of 42501513 is about 348.9807434853.

The spelling of 42501513 in words is "forty-two million, five hundred one thousand, five hundred thirteen".