394760053 has 2 divisors, whose sum is σ = 394760054. Its totient is φ = 394760052.

The previous prime is 394760029. The next prime is 394760143. The reversal of 394760053 is 350067493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391367089 + 3392964 = 19783^2 + 1842^2 .

It is an emirp because it is prime and its reverse (350067493) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394760053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394759994 and 394760021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394770053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197380026 + 197380027.

It is an arithmetic number, because the mean of its divisors is an integer number (197380027).

Almost surely, 2^394760053 is an apocalyptic number.

It is an amenable number.

394760053 is a deficient number, since it is larger than the sum of its proper divisors (1).

394760053 is an equidigital number, since it uses as much as digits as its factorization.

394760053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 394760053 is about 19868.5694754303. The cubic root of 394760053 is about 733.5747926411.

It can be divided in two parts, 3947 and 60053, that added together give a cube (64000 = 40³).

The spelling of 394760053 in words is "three hundred ninety-four million, seven hundred sixty thousand, fifty-three".