202340253 has 16 divisors (see below), whose sum is σ = 285056000. Its totient is φ = 127312560.

The previous prime is 202340231. The next prime is 202340263. The reversal of 202340253 is 352043202.

It is not a de Polignac number, because 202340253 - 2⁸ = 202339997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202340263) 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 in 15 ways as a sum of consecutive naturals, for example, 8898 + ... + 21996.

It is an arithmetic number, because the mean of its divisors is an integer number (17816000).

Almost surely, 2^202340253 is an apocalyptic number.

It is an amenable number.

202340253 is a deficient number, since it is larger than the sum of its proper divisors (82715747).

202340253 is a wasteful number, since it uses less digits than its factorization.

202340253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13392.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 202340253 is about 14224.6354259081. The cubic root of 202340253 is about 587.0756886731.

Adding to 202340253 its reverse (352043202), we get a palindrome (554383455).

The spelling of 202340253 in words is "two hundred two million, three hundred forty thousand, two hundred fifty-three".