523820495 has 12 divisors (see below), whose sum is σ = 690924360. Its totient is φ = 380959920.

The previous prime is 523820491. The next prime is 523820497. The reversal of 523820495 is 594028325.

It is not a de Polignac number, because 523820495 - 2² = 523820491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523820491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432305 + ... + 433514.

It is an arithmetic number, because the mean of its divisors is an integer number (57577030).

Almost surely, 2^523820495 is an apocalyptic number.

523820495 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

523820495 is a deficient number, since it is larger than the sum of its proper divisors (167103865).

523820495 is a wasteful number, since it uses less digits than its factorization.

523820495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865846 (or 865835 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 523820495 is about 22887.1250925056. The cubic root of 523820495 is about 806.1097280556.

The spelling of 523820495 in words is "five hundred twenty-three million, eight hundred twenty thousand, four hundred ninety-five".