42500141 has 4 divisors (see below), whose sum is σ = 42620892. Its totient is φ = 42379392.

The previous prime is 42500137. The next prime is 42500147. The reversal of 42500141 is 14100524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26739241 + 15760900 = 5171^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 42500141 - 2² = 42500137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500147) 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, 59846 + ... + 60551.

It is an arithmetic number, because the mean of its divisors is an integer number (10655223).

Almost surely, 2^42500141 is an apocalyptic number.

It is an amenable number.

42500141 is a deficient number, since it is larger than the sum of its proper divisors (120751).

42500141 is a wasteful number, since it uses less digits than its factorization.

42500141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120750.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42500141 is about 6519.2132194000. The cubic root of 42500141 is about 348.9769882721.

Adding to 42500141 its reverse (14100524), we get a palindrome (56600665).

The spelling of 42500141 in words is "forty-two million, five hundred thousand, one hundred forty-one".