202320253 has 2 divisors, whose sum is σ = 202320254. Its totient is φ = 202320252.

The previous prime is 202320197. The next prime is 202320257. The reversal of 202320253 is 352023202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152448409 + 49871844 = 12347^2 + 7062^2 .

It is a cyclic number.

It is not a de Polignac number, because 202320253 - 2¹⁷ = 202189181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202320253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202320257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101160126 + 101160127.

It is an arithmetic number, because the mean of its divisors is an integer number (101160127).

Almost surely, 2^202320253 is an apocalyptic number.

It is an amenable number.

202320253 is a deficient number, since it is larger than the sum of its proper divisors (1).

202320253 is an equidigital number, since it uses as much as digits as its factorization.

202320253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 202320253 is about 14223.9324028203. The cubic root of 202320253 is about 587.0563451820.

Adding to 202320253 its reverse (352023202), we get a palindrome (554343455).

The spelling of 202320253 in words is "two hundred two million, three hundred twenty thousand, two hundred fifty-three".