42532586 has 4 divisors (see below), whose sum is σ = 63798882. Its totient is φ = 21266292.

The previous prime is 42532579. The next prime is 42532591. The reversal of 42532586 is 68523524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30415225 + 12117361 = 5515^2 + 3481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10633145 + ... + 10633148.

Almost surely, 2^42532586 is an apocalyptic number.

42532586 is a deficient number, since it is larger than the sum of its proper divisors (21266296).

42532586 is a wasteful number, since it uses less digits than its factorization.

42532586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21266295.

The product of its digits is 57600, while the sum is 35.

The square root of 42532586 is about 6521.7011584402. The cubic root of 42532586 is about 349.0657697686.

The spelling of 42532586 in words is "forty-two million, five hundred thirty-two thousand, five hundred eighty-six".