523016465 has 4 divisors (see below), whose sum is σ = 627619764. Its totient is φ = 418413168.

The previous prime is 523016453. The next prime is 523016467. The reversal of 523016465 is 564610325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 277655569 + 245360896 = 16663^2 + 15664^2 .

It is a cyclic number.

It is not a de Polignac number, because 523016465 - 2⁸ = 523016209 is a prime.

It is a super-2 number, since 2×523016465² = 547092445322192450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523016467) 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, 52301642 + ... + 52301651.

It is an arithmetic number, because the mean of its divisors is an integer number (156904941).

Almost surely, 2^523016465 is an apocalyptic number.

It is an amenable number.

523016465 is a deficient number, since it is larger than the sum of its proper divisors (104603299).

523016465 is a wasteful number, since it uses less digits than its factorization.

523016465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104603298.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 523016465 is about 22869.5532313161. The cubic root of 523016465 is about 805.6970750511.

The spelling of 523016465 in words is "five hundred twenty-three million, sixteen thousand, four hundred sixty-five".