202613089 has 12 divisors (see below), whose sum is σ = 249558084. Its totient is φ = 163451904.

The previous prime is 202613077. The next prime is 202613101. The reversal of 202613089 is 980316202.

It is an interprime number because it is at equal distance from previous prime (202613077) and next prime (202613101).

It can be written as a sum of positive squares in 2 ways, for example, as 149206225 + 53406864 = 12215^2 + 7308^2 .

It is not a de Polignac number, because 202613089 - 2⁹ = 202612577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202613089.

It is not an unprimeable number, because it can be changed into a prime (202613009) 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 in 11 ways as a sum of consecutive naturals, for example, 120784 + ... + 122449.

It is an arithmetic number, because the mean of its divisors is an integer number (20796507).

Almost surely, 2^202613089 is an apocalyptic number.

It is an amenable number.

202613089 is a deficient number, since it is larger than the sum of its proper divisors (46944995).

202613089 is a wasteful number, since it uses less digits than its factorization.

202613089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243264 (or 243257 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 202613089 is about 14234.2224585679. Note that the first 3 decimals coincide. The cubic root of 202613089 is about 587.3394415028.

The spelling of 202613089 in words is "two hundred two million, six hundred thirteen thousand, eighty-nine".