201485725 has 24 divisors (see below), whose sum is σ = 286301120. Its totient is φ = 137790720.

The previous prime is 201485723. The next prime is 201485731. The reversal of 201485725 is 527584102.

It is a happy number.

It is not a de Polignac number, because 201485725 - 2¹ = 201485723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201485723) 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, 74446 + ... + 77104.

Almost surely, 2^201485725 is an apocalyptic number.

201485725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201485725 is a deficient number, since it is larger than the sum of its proper divisors (84815395).

201485725 is a wasteful number, since it uses less digits than its factorization.

201485725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109 (or 3104 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 201485725 is about 14194.5667422433. The cubic root of 201485725 is about 586.2480720004.

The spelling of 201485725 in words is "two hundred one million, four hundred eighty-five thousand, seven hundred twenty-five".