523522543 has 2 divisors, whose sum is σ = 523522544. Its totient is φ = 523522542.

The previous prime is 523522487. The next prime is 523522567. The reversal of 523522543 is 345225325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523522543 - 2⁹ = 523522031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523522843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261761271 + 261761272.

It is an arithmetic number, because the mean of its divisors is an integer number (261761272).

Almost surely, 2^523522543 is an apocalyptic number.

523522543 is a deficient number, since it is larger than the sum of its proper divisors (1).

523522543 is an equidigital number, since it uses as much as digits as its factorization.

523522543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 31.

The square root of 523522543 is about 22880.6150048464. The cubic root of 523522543 is about 805.9568591744.

Adding to 523522543 its reverse (345225325), we get a palindrome (868747868).

The spelling of 523522543 in words is "five hundred twenty-three million, five hundred twenty-two thousand, five hundred forty-three".