838825573 has 2 divisors, whose sum is σ = 838825574. Its totient is φ = 838825572.

The previous prime is 838825567. The next prime is 838825583. The reversal of 838825573 is 375528838.

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., 632673409 + 206152164 = 25153^2 + 14358^2 .

It is a cyclic number.

It is not a de Polignac number, because 838825573 - 2⁹ = 838825061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838825513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419412786 + 419412787.

It is an arithmetic number, because the mean of its divisors is an integer number (419412787).

Almost surely, 2^838825573 is an apocalyptic number.

It is an amenable number.

838825573 is a deficient number, since it is larger than the sum of its proper divisors (1).

838825573 is an equidigital number, since it uses as much as digits as its factorization.

838825573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 49.

The square root of 838825573 is about 28962.4856150158. The cubic root of 838825573 is about 943.0988618296.

The spelling of 838825573 in words is "eight hundred thirty-eight million, eight hundred twenty-five thousand, five hundred seventy-three".