523329641 has 4 divisors (see below), whose sum is σ = 523376784. Its totient is φ = 523282500.

The previous prime is 523329637. The next prime is 523329689. The reversal of 523329641 is 146923325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 523329641 - 2² = 523329637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (523029641) 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, 3266 + ... + 32516.

It is an arithmetic number, because the mean of its divisors is an integer number (130844196).

Almost surely, 2^523329641 is an apocalyptic number.

It is an amenable number.

523329641 is a deficient number, since it is larger than the sum of its proper divisors (47143).

523329641 is a wasteful number, since it uses less digits than its factorization.

523329641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47142.

The product of its digits is 38880, while the sum is 35.

The square root of 523329641 is about 22876.3992140372. The cubic root of 523329641 is about 805.8578568860.

The spelling of 523329641 in words is "five hundred twenty-three million, three hundred twenty-nine thousand, six hundred forty-one".