42993503 has 8 divisors (see below), whose sum is σ = 49466400. Its totient is φ = 36603360.

The previous prime is 42993499. The next prime is 42993521. The reversal of 42993503 is 30539924.

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 42993503 - 2² = 42993499 is a prime.

It is a super-2 number, since 2×42993503² = 3696882600422018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42993583) 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, 19568 + ... + 21653.

It is an arithmetic number, because the mean of its divisors is an integer number (6183300).

Almost surely, 2^42993503 is an apocalyptic number.

42993503 is a deficient number, since it is larger than the sum of its proper divisors (6472897).

42993503 is a wasteful number, since it uses less digits than its factorization.

42993503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41377.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 42993503 is about 6556.9431139823. The cubic root of 42993503 is about 350.3221605165.

The spelling of 42993503 in words is "forty-two million, nine hundred ninety-three thousand, five hundred three".