42582631 has 8 divisors (see below), whose sum is σ = 52409504. Its totient is φ = 33691680.

The previous prime is 42582619. The next prime is 42582647. The reversal of 42582631 is 13628524.

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

It is a cyclic number.

It is not a de Polignac number, because 42582631 - 2⁹ = 42582119 is a prime.

It is a super-2 number, since 2×42582631² = 3626560925764322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42582593 and 42582602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42582931) 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, 233880 + ... + 234061.

It is an arithmetic number, because the mean of its divisors is an integer number (6551188).

Almost surely, 2^42582631 is an apocalyptic number.

42582631 is a deficient number, since it is larger than the sum of its proper divisors (9826873).

42582631 is a wasteful number, since it uses less digits than its factorization.

42582631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467961.

The product of its digits is 11520, while the sum is 31.

The square root of 42582631 is about 6525.5368361538. The cubic root of 42582631 is about 349.2026228740.

It can be divided in two parts, 4258 and 2631, that added together give a square (6889 = 83²).

The spelling of 42582631 in words is "forty-two million, five hundred eighty-two thousand, six hundred thirty-one".