42484251 has 16 divisors (see below), whose sum is σ = 58397184. Its totient is φ = 27453024.

The previous prime is 42484219. The next prime is 42484261. The reversal of 42484251 is 15248424.

It is not a de Polignac number, because 42484251 - 2⁵ = 42484219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42484201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37966 + ... + 39068.

It is an arithmetic number, because the mean of its divisors is an integer number (3649824).

Almost surely, 2^42484251 is an apocalyptic number.

42484251 is a deficient number, since it is larger than the sum of its proper divisors (15912933).

42484251 is a wasteful number, since it uses less digits than its factorization.

42484251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its digits is 10240, while the sum is 30.

The square root of 42484251 is about 6517.9944001203. The cubic root of 42484251 is about 348.9334908825.

The spelling of 42484251 in words is "forty-two million, four hundred eighty-four thousand, two hundred fifty-one".