42500113 has 4 divisors (see below), whose sum is σ = 44347968. Its totient is φ = 40652260.

The previous prime is 42500111. The next prime is 42500123. The reversal of 42500113 is 31100524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42500113 - 2¹ = 42500111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42500111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923893 + ... + 923938.

It is an arithmetic number, because the mean of its divisors is an integer number (11086992).

Almost surely, 2^42500113 is an apocalyptic number.

It is an amenable number.

42500113 is a deficient number, since it is larger than the sum of its proper divisors (1847855).

42500113 is a wasteful number, since it uses less digits than its factorization.

42500113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847854.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 42500113 is about 6519.2110719013. The cubic root of 42500113 is about 348.9769116342.

Adding to 42500113 its reverse (31100524), we get a palindrome (73600637).

The spelling of 42500113 in words is "forty-two million, five hundred thousand, one hundred thirteen".