42582530 has 16 divisors (see below), whose sum is σ = 79121664. Its totient is φ = 16483440.

The previous prime is 42582521. The next prime is 42582539. The reversal of 42582530 is 3528524.

It is an interprime number because it is at equal distance from previous prime (42582521) and next prime (42582539).

It is a super-2 number, since 2×42582530² = 3626543722401800, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 42582493 and 42582502.

It is not an unprimeable number, because it can be changed into a prime (42582539) 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, 68372 + ... + 68991.

It is an arithmetic number, because the mean of its divisors is an integer number (4945104).

Almost surely, 2^42582530 is an apocalyptic number.

42582530 is a deficient number, since it is larger than the sum of its proper divisors (36539134).

42582530 is a wasteful number, since it uses less digits than its factorization.

42582530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137401.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 42582530 is about 6525.5290973223. The cubic root of 42582530 is about 349.2023467873.

The spelling of 42582530 in words is "forty-two million, five hundred eighty-two thousand, five hundred thirty".