385738453 has 2 divisors, whose sum is σ = 385738454. Its totient is φ = 385738452.

The previous prime is 385738429. The next prime is 385738469. The reversal of 385738453 is 354837583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282979684 + 102758769 = 16822^2 + 10137^2 .

It is a cyclic number.

It is not a de Polignac number, because 385738453 - 2⁵ = 385738421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385738253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192869226 + 192869227.

It is an arithmetic number, because the mean of its divisors is an integer number (192869227).

Almost surely, 2^385738453 is an apocalyptic number.

It is an amenable number.

385738453 is a deficient number, since it is larger than the sum of its proper divisors (1).

385738453 is an equidigital number, since it uses as much as digits as its factorization.

385738453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 46.

The square root of 385738453 is about 19640.2253805805. The cubic root of 385738453 is about 727.9434536495.

The spelling of 385738453 in words is "three hundred eighty-five million, seven hundred thirty-eight thousand, four hundred fifty-three".