523507441 has 4 divisors (see below), whose sum is σ = 525855232. Its totient is φ = 521159652.

The previous prime is 523507421. The next prime is 523507459. The reversal of 523507441 is 144705325.

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.

It is a cyclic number.

It is not a de Polignac number, because 523507441 - 2⁵ = 523507409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523507421) 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, 1173561 + ... + 1174006.

It is an arithmetic number, because the mean of its divisors is an integer number (131463808).

Almost surely, 2^523507441 is an apocalyptic number.

It is an amenable number.

523507441 is a deficient number, since it is larger than the sum of its proper divisors (2347791).

523507441 is a wasteful number, since it uses less digits than its factorization.

523507441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347790.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 523507441 is about 22880.2849851133. The cubic root of 523507441 is about 805.9491093155.

The spelling of 523507441 in words is "five hundred twenty-three million, five hundred seven thousand, four hundred forty-one".