523648081 has 8 divisors (see below), whose sum is σ = 579779424. Its totient is φ = 468937920.

The previous prime is 523648033. The next prime is 523648091. The reversal of 523648081 is 180846325.

It is a happy number.

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

It is not a de Polignac number, because 523648081 - 2⁷ = 523647953 is a prime.

It is a super-2 number, since 2×523648081² = 548414625469965122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523648081.

It is not an unprimeable number, because it can be changed into a prime (523648031) 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, 354520 + ... + 355993.

It is an arithmetic number, because the mean of its divisors is an integer number (72472428).

Almost surely, 2^523648081 is an apocalyptic number.

It is an amenable number.

523648081 is a deficient number, since it is larger than the sum of its proper divisors (56131343).

523648081 is a wasteful number, since it uses less digits than its factorization.

523648081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710591.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 523648081 is about 22883.3581670174. The cubic root of 523648081 is about 806.0212754555.

The spelling of 523648081 in words is "five hundred twenty-three million, six hundred forty-eight thousand, eighty-one".