538682523 has 4 divisors (see below), whose sum is σ = 718243368. Its totient is φ = 359121680.

The previous prime is 538682489. The next prime is 538682581. The reversal of 538682523 is 325286835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538682523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538682423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89780418 + ... + 89780423.

It is an arithmetic number, because the mean of its divisors is an integer number (179560842).

Almost surely, 2^538682523 is an apocalyptic number.

538682523 is a deficient number, since it is larger than the sum of its proper divisors (179560845).

538682523 is a wasteful number, since it uses less digits than its factorization.

538682523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179560844.

The product of its digits is 345600, while the sum is 42.

The square root of 538682523 is about 23209.5351741477. The cubic root of 538682523 is about 813.6624895926.

It can be divided in two parts, 53868 and 2523, that multiplied together give a square (135908964 = 11658²).

The spelling of 538682523 in words is "five hundred thirty-eight million, six hundred eighty-two thousand, five hundred twenty-three".