202011425 has 48 divisors (see below), whose sum is σ = 330728832. Its totient is φ = 118502400.

The previous prime is 202011409. The next prime is 202011437. The reversal of 202011425 is 524110202.

It is not a de Polignac number, because 202011425 - 2⁴ = 202011409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 29639 + ... + 35811.

It is an arithmetic number, because the mean of its divisors is an integer number (6890184).

Almost surely, 2^202011425 is an apocalyptic number.

202011425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202011425 is a deficient number, since it is larger than the sum of its proper divisors (128717407).

202011425 is a wasteful number, since it uses less digits than its factorization.

202011425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 202011425 is about 14213.0723279663. The cubic root of 202011425 is about 586.7574926456.

Adding to 202011425 its reverse (524110202), we get a palindrome (726121627).

The spelling of 202011425 in words is "two hundred two million, eleven thousand, four hundred twenty-five".