42521062 has 4 divisors (see below), whose sum is σ = 63781596. Its totient is φ = 21260530.

The previous prime is 42521027. The next prime is 42521077. The reversal of 42521062 is 26012524.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10630264 + ... + 10630267.

It is an arithmetic number, because the mean of its divisors is an integer number (15945399).

Almost surely, 2^42521062 is an apocalyptic number.

42521062 is a deficient number, since it is larger than the sum of its proper divisors (21260534).

42521062 is a wasteful number, since it uses less digits than its factorization.

42521062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21260533.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42521062 is about 6520.8175867754. The cubic root of 42521062 is about 349.0342410227.

Adding to 42521062 its reverse (26012524), we get a palindrome (68533586).

The spelling of 42521062 in words is "forty-two million, five hundred twenty-one thousand, sixty-two".