42421461 has 8 divisors (see below), whose sum is σ = 58512480. Its totient is φ = 27305712.

The previous prime is 42421459. The next prime is 42421481. The reversal of 42421461 is 16412424.

It is a happy number.

42421461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42421461 - 2¹ = 42421459 is a prime.

It is a super-3 number, since 3×42421461³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42421411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243715 + ... + 243888.

It is an arithmetic number, because the mean of its divisors is an integer number (7314060).

Almost surely, 2^42421461 is an apocalyptic number.

It is an amenable number.

42421461 is a deficient number, since it is larger than the sum of its proper divisors (16091019).

42421461 is a wasteful number, since it uses less digits than its factorization.

42421461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487635.

The product of its digits is 1536, while the sum is 24.

The square root of 42421461 is about 6513.1759534040. The cubic root of 42421461 is about 348.7615029415.

Adding to 42421461 its reverse (16412424), we get a palindrome (58833885).

The spelling of 42421461 in words is "forty-two million, four hundred twenty-one thousand, four hundred sixty-one".