523634497 has 4 divisors (see below), whose sum is σ = 526661460. Its totient is φ = 520607536.

The previous prime is 523634483. The next prime is 523634513. The reversal of 523634497 is 794436325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 407878416 + 115756081 = 20196^2 + 10759^2 .

It is a cyclic number.

It is not a de Polignac number, because 523634497 - 2⁷ = 523634369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523634297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513222 + ... + 1513567.

It is an arithmetic number, because the mean of its divisors is an integer number (131665365).

Almost surely, 2^523634497 is an apocalyptic number.

It is an amenable number.

523634497 is a deficient number, since it is larger than the sum of its proper divisors (3026963).

523634497 is a wasteful number, since it uses less digits than its factorization.

523634497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026962.

The product of its digits is 544320, while the sum is 43.

The square root of 523634497 is about 22883.0613555092. The cubic root of 523634497 is about 806.0143057061.

The spelling of 523634497 in words is "five hundred twenty-three million, six hundred thirty-four thousand, four hundred ninety-seven".