385560853 has 2 divisors, whose sum is σ = 385560854. Its totient is φ = 385560852.

The previous prime is 385560823. The next prime is 385560871. The reversal of 385560853 is 358065583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304956369 + 80604484 = 17463^2 + 8978^2 .

It is a cyclic number.

It is not a de Polignac number, because 385560853 - 2⁵ = 385560821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385560803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192780426 + 192780427.

It is an arithmetic number, because the mean of its divisors is an integer number (192780427).

Almost surely, 2^385560853 is an apocalyptic number.

It is an amenable number.

385560853 is a deficient number, since it is larger than the sum of its proper divisors (1).

385560853 is an equidigital number, since it uses as much as digits as its factorization.

385560853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 385560853 is about 19635.7035269939. The cubic root of 385560853 is about 727.8317176595.

The spelling of 385560853 in words is "three hundred eighty-five million, five hundred sixty thousand, eight hundred fifty-three".