42582251 has 8 divisors (see below), whose sum is σ = 44037504. Its totient is φ = 41132160.

The previous prime is 42582193. The next prime is 42582257. The reversal of 42582251 is 15228524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42582251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42582257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23075 + ... + 24851.

It is an arithmetic number, because the mean of its divisors is an integer number (5504688).

Almost surely, 2^42582251 is an apocalyptic number.

42582251 is a deficient number, since it is larger than the sum of its proper divisors (1455253).

42582251 is a wasteful number, since it uses less digits than its factorization.

42582251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581.

The product of its digits is 6400, while the sum is 29.

The square root of 42582251 is about 6525.5077197104. The cubic root of 42582251 is about 349.2015841297.

The spelling of 42582251 in words is "forty-two million, five hundred eighty-two thousand, two hundred fifty-one".