538522 has 12 divisors (see below), whose sum is σ = 846090. Its totient is φ = 257048.

The previous prime is 538519. The next prime is 538523. The reversal of 538522 is 225835.

538522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 385641 + 152881 = 621^2 + 391^2 .

It is not an unprimeable number, because it can be changed into a prime (538523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 804 + ... + 1312.

2⁵³⁸⁵²² is an apocalyptic number.

538522 is a deficient number, since it is larger than the sum of its proper divisors (307568).

538522 is a wasteful number, since it uses less digits than its factorization.

538522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 534 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 538522 is about 733.8405821430. The cubic root of 538522 is about 81.3581659967.

The spelling of 538522 in words is "five hundred thirty-eight thousand, five hundred twenty-two".