523460687 has 2 divisors, whose sum is σ = 523460688. Its totient is φ = 523460686.

The previous prime is 523460681. The next prime is 523460723. The reversal of 523460687 is 786064325.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523460687 - 2⁴ = 523460671 is a prime.

It is a super-2 number, since 2×523460687² = 548022181669023938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523460681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261730343 + 261730344.

It is an arithmetic number, because the mean of its divisors is an integer number (261730344).

Almost surely, 2^523460687 is an apocalyptic number.

523460687 is a deficient number, since it is larger than the sum of its proper divisors (1).

523460687 is an equidigital number, since it uses as much as digits as its factorization.

523460687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 523460687 is about 22879.2632529983. The cubic root of 523460687 is about 805.9251157269.

The spelling of 523460687 in words is "five hundred twenty-three million, four hundred sixty thousand, six hundred eighty-seven".