395457053 has 2 divisors, whose sum is σ = 395457054. Its totient is φ = 395457052.

The previous prime is 395457047. The next prime is 395457103. The reversal of 395457053 is 350754593.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215414329 + 180042724 = 14677^2 + 13418^2 .

It is a cyclic number.

It is not a de Polignac number, because 395457053 - 2⁴ = 395457037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 395457053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395157053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197728526 + 197728527.

It is an arithmetic number, because the mean of its divisors is an integer number (197728527).

Almost surely, 2^395457053 is an apocalyptic number.

It is an amenable number.

395457053 is a deficient number, since it is larger than the sum of its proper divisors (1).

395457053 is an equidigital number, since it uses as much as digits as its factorization.

395457053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 41.

The square root of 395457053 is about 19886.1020061751. The cubic root of 395457053 is about 734.0062792267.

The spelling of 395457053 in words is "three hundred ninety-five million, four hundred fifty-seven thousand, fifty-three".