523180648 has 16 divisors (see below), whose sum is σ = 1014790500. Its totient is φ = 252569856.

The previous prime is 523180643. The next prime is 523180667. The reversal of 523180648 is 846081325.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 508141764 + 15038884 = 22542^2 + 3878^2 .

It is not an unprimeable number, because it can be changed into a prime (523180643) 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, 1127313 + ... + 1127776.

Almost surely, 2^523180648 is an apocalyptic number.

523180648 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

523180648 is a deficient number, since it is larger than the sum of its proper divisors (491609852).

523180648 is a wasteful number, since it uses less digits than its factorization.

523180648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255124 (or 2255120 counting only the distinct ones).

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

The square root of 523180648 is about 22873.1425038188. The cubic root of 523180648 is about 805.7813731770.

The spelling of 523180648 in words is "five hundred twenty-three million, one hundred eighty thousand, six hundred forty-eight".