395608523 has 2 divisors, whose sum is σ = 395608524. Its totient is φ = 395608522.

The previous prime is 395608469. The next prime is 395608567. The reversal of 395608523 is 325806593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 395608523 - 2¹² = 395604427 is a prime.

It is a super-2 number, since 2×395608523² = 313012206940483058, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (395608573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197804261 + 197804262.

It is an arithmetic number, because the mean of its divisors is an integer number (197804262).

Almost surely, 2^395608523 is an apocalyptic number.

395608523 is a deficient number, since it is larger than the sum of its proper divisors (1).

395608523 is an equidigital number, since it uses as much as digits as its factorization.

395608523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 395608523 is about 19889.9100802392. The cubic root of 395608523 is about 734.0999815545.

The spelling of 395608523 in words is "three hundred ninety-five million, six hundred eight thousand, five hundred twenty-three".