1395217853 has 2 divisors, whose sum is σ = 1395217854. Its totient is φ = 1395217852.

The previous prime is 1395217819. The next prime is 1395217903. The reversal of 1395217853 is 3587125931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1150702084 + 244515769 = 33922^2 + 15637^2 .

It is a cyclic number.

It is not a de Polignac number, because 1395217853 - 2⁸ = 1395217597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395217553) 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, 697608926 + 697608927.

It is an arithmetic number, because the mean of its divisors is an integer number (697608927).

Almost surely, 2^1395217853 is an apocalyptic number.

It is an amenable number.

1395217853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395217853 is an equidigital number, since it uses as much as digits as its factorization.

1395217853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 1395217853 is about 37352.6150757882. The cubic root of 1395217853 is about 1117.4137426060.

The spelling of 1395217853 in words is "one billion, three hundred ninety-five million, two hundred seventeen thousand, eight hundred fifty-three".