202125313 has 4 divisors (see below), whose sum is σ = 217673428. Its totient is φ = 186577200.

The previous prime is 202125299. The next prime is 202125337. The reversal of 202125313 is 313521202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103063104 + 99062209 = 10152^2 + 9953^2 .

It is a cyclic number.

It is not a de Polignac number, because 202125313 - 2¹³ = 202117121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202125353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7774038 + ... + 7774063.

It is an arithmetic number, because the mean of its divisors is an integer number (54418357).

Almost surely, 2^202125313 is an apocalyptic number.

It is an amenable number.

202125313 is a deficient number, since it is larger than the sum of its proper divisors (15548115).

202125313 is a wasteful number, since it uses less digits than its factorization.

202125313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15548114.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 202125313 is about 14217.0782160049. The cubic root of 202125313 is about 586.8677373728.

Adding to 202125313 its reverse (313521202), we get a palindrome (515646515).

The spelling of 202125313 in words is "two hundred two million, one hundred twenty-five thousand, three hundred thirteen".