523522401 has 8 divisors (see below), whose sum is σ = 699138624. Its totient is φ = 348460560.

The previous prime is 523522387. The next prime is 523522403. The reversal of 523522401 is 104225325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 523522401 - 2⁵ = 523522369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523522403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136386 + ... + 140171.

It is an arithmetic number, because the mean of its divisors is an integer number (87392328).

Almost surely, 2^523522401 is an apocalyptic number.

It is an amenable number.

523522401 is a deficient number, since it is larger than the sum of its proper divisors (175616223).

523522401 is a wasteful number, since it uses less digits than its factorization.

523522401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277191.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 523522401 is about 22880.6119017827. The cubic root of 523522401 is about 805.9567863053.

Adding to 523522401 its reverse (104225325), we get a palindrome (627747726).

The spelling of 523522401 in words is "five hundred twenty-three million, five hundred twenty-two thousand, four hundred one".