395055523 has 2 divisors, whose sum is σ = 395055524. Its totient is φ = 395055522.

The previous prime is 395055497. The next prime is 395055527. The reversal of 395055523 is 325550593.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 395055523 - 2¹⁷ = 394924451 is a prime.

It is not a weakly prime, because it can be changed into another prime (395055527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197527761 + 197527762.

It is an arithmetic number, because the mean of its divisors is an integer number (197527762).

Almost surely, 2^395055523 is an apocalyptic number.

395055523 is a deficient number, since it is larger than the sum of its proper divisors (1).

395055523 is an equidigital number, since it uses as much as digits as its factorization.

395055523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101250, while the sum is 37.

The square root of 395055523 is about 19876.0036979268. The cubic root of 395055523 is about 733.7577690148.

The spelling of 395055523 in words is "three hundred ninety-five million, fifty-five thousand, five hundred twenty-three".