395142263 has 2 divisors, whose sum is σ = 395142264. Its totient is φ = 395142262.

The previous prime is 395142233. The next prime is 395142283. The reversal of 395142263 is 362241593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 395142263 - 2¹⁰ = 395141239 is a prime.

It is a super-2 number, since 2×395142263² = 312274816017522338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395142233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197571131 + 197571132.

It is an arithmetic number, because the mean of its divisors is an integer number (197571132).

Almost surely, 2^395142263 is an apocalyptic number.

395142263 is a deficient number, since it is larger than the sum of its proper divisors (1).

395142263 is an equidigital number, since it uses as much as digits as its factorization.

395142263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 395142263 is about 19878.1856063374. The cubic root of 395142263 is about 733.8114673665.

The spelling of 395142263 in words is "three hundred ninety-five million, one hundred forty-two thousand, two hundred sixty-three".