398583253 has 2 divisors, whose sum is σ = 398583254. Its totient is φ = 398583252.

The previous prime is 398583247. The next prime is 398583281. The reversal of 398583253 is 352385893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235714609 + 162868644 = 15353^2 + 12762^2 .

It is a cyclic number.

It is not a de Polignac number, because 398583253 - 2¹³ = 398575061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398583293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199291626 + 199291627.

It is an arithmetic number, because the mean of its divisors is an integer number (199291627).

Almost surely, 2^398583253 is an apocalyptic number.

It is an amenable number.

398583253 is a deficient number, since it is larger than the sum of its proper divisors (1).

398583253 is an equidigital number, since it uses as much as digits as its factorization.

398583253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 46.

The square root of 398583253 is about 19964.5499072731. The cubic root of 398583253 is about 735.9353805950.

The spelling of 398583253 in words is "three hundred ninety-eight million, five hundred eighty-three thousand, two hundred fifty-three".