523959447 has 16 divisors (see below), whose sum is σ = 802235520. Its totient is φ = 300837600.

The previous prime is 523959437. The next prime is 523959451. The reversal of 523959447 is 744959325.

It is not a de Polignac number, because 523959447 - 2¹⁶ = 523893911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523959396 and 523959405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523959407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417204 + ... + 418457.

It is an arithmetic number, because the mean of its divisors is an integer number (50139720).

Almost surely, 2^523959447 is an apocalyptic number.

523959447 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

523959447 is a deficient number, since it is larger than the sum of its proper divisors (278276073).

523959447 is a wasteful number, since it uses less digits than its factorization.

523959447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835694.

The product of its digits is 1360800, while the sum is 48.

The square root of 523959447 is about 22890.1604843653. The cubic root of 523959447 is about 806.1809997076.

The spelling of 523959447 in words is "five hundred twenty-three million, nine hundred fifty-nine thousand, four hundred forty-seven".