42500461 has 4 divisors (see below), whose sum is σ = 42825024. Its totient is φ = 42175900.

The previous prime is 42500443. The next prime is 42500483. The reversal of 42500461 is 16400524.

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 42500461 - 2⁷ = 42500333 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500401) 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, 162085 + ... + 162346.

It is an arithmetic number, because the mean of its divisors is an integer number (10706256).

Almost surely, 2^42500461 is an apocalyptic number.

It is an amenable number.

42500461 is a deficient number, since it is larger than the sum of its proper divisors (324563).

42500461 is a wasteful number, since it uses less digits than its factorization.

42500461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324562.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42500461 is about 6519.2377621928. The cubic root of 42500461 is about 348.9778641308.

Adding to 42500461 its reverse (16400524), we get a palindrome (58900985).

The spelling of 42500461 in words is "forty-two million, five hundred thousand, four hundred sixty-one".