395295331 has 2 divisors, whose sum is σ = 395295332. Its totient is φ = 395295330.

The previous prime is 395295301. The next prime is 395295371. The reversal of 395295331 is 133592593.

It is an a-pointer prime, because the next prime (395295371) can be obtained adding 395295331 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395295331 is a prime.

It is a super-2 number, since 2×395295331² = 312516797420799122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (395295301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197647665 + 197647666.

It is an arithmetic number, because the mean of its divisors is an integer number (197647666).

Almost surely, 2^395295331 is an apocalyptic number.

395295331 is a deficient number, since it is larger than the sum of its proper divisors (1).

395295331 is an equidigital number, since it uses as much as digits as its factorization.

395295331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109350, while the sum is 40.

The square root of 395295331 is about 19882.0353837327. The cubic root of 395295331 is about 733.9062083950.

The spelling of 395295331 in words is "three hundred ninety-five million, two hundred ninety-five thousand, three hundred thirty-one".