202002425 has 12 divisors (see below), whose sum is σ = 257253996. Its totient is φ = 157233600.

The previous prime is 202002419. The next prime is 202002431. The reversal of 202002425 is 524200202.

It is an interprime number because it is at equal distance from previous prime (202002419) and next prime (202002431).

It can be written as a sum of positive squares in 6 ways, for example, as 31125241 + 170877184 = 5579^2 + 13072^2 .

It is not a de Polignac number, because 202002425 - 2²⁰ = 200953849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108266 + ... + 110115.

It is an arithmetic number, because the mean of its divisors is an integer number (21437833).

Almost surely, 2^202002425 is an apocalyptic number.

202002425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202002425 is a deficient number, since it is larger than the sum of its proper divisors (55251571).

202002425 is a wasteful number, since it uses less digits than its factorization.

202002425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218428 (or 218423 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 202002425 is about 14212.7557144982. The cubic root of 202002425 is about 586.7487787888.

Adding to 202002425 its reverse (524200202), we get a palindrome (726202627).

The spelling of 202002425 in words is "two hundred two million, two thousand, four hundred twenty-five".