202045025 has 24 divisors (see below), whose sum is σ = 308355264. Its totient is φ = 127886400.

The previous prime is 202045021. The next prime is 202045033. The reversal of 202045025 is 520540202.

It is not a de Polignac number, because 202045025 - 2² = 202045021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202044988 and 202045006.

It is not an unprimeable number, because it can be changed into a prime (202045021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42131 + ... + 46680.

It is an arithmetic number, because the mean of its divisors is an integer number (12848136).

Almost surely, 2^202045025 is an apocalyptic number.

202045025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202045025 is a deficient number, since it is larger than the sum of its proper divisors (106310239).

202045025 is a wasteful number, since it uses less digits than its factorization.

202045025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88841 (or 88836 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 202045025 is about 14214.2542892689. The cubic root of 202045025 is about 586.7900220909.

Adding to 202045025 its reverse (520540202), we get a palindrome (722585227).

The spelling of 202045025 in words is "two hundred two million, forty-five thousand, twenty-five".