202393493 has 2 divisors, whose sum is σ = 202393494. Its totient is φ = 202393492.

The previous prime is 202393463. The next prime is 202393511. The reversal of 202393493 is 394393202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185558884 + 16834609 = 13622^2 + 4103^2 .

It is a cyclic number.

It is not a de Polignac number, because 202393493 - 2¹⁰ = 202392469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202393403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101196746 + 101196747.

It is an arithmetic number, because the mean of its divisors is an integer number (101196747).

Almost surely, 2^202393493 is an apocalyptic number.

It is an amenable number.

202393493 is a deficient number, since it is larger than the sum of its proper divisors (1).

202393493 is an equidigital number, since it uses as much as digits as its factorization.

202393493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 202393493 is about 14226.5067040367. The cubic root of 202393493 is about 587.1271748344.

It can be divided in two parts, 20239 and 3493, that added together give a palindrome (23732).

The spelling of 202393493 in words is "two hundred two million, three hundred ninety-three thousand, four hundred ninety-three".