201606200525 has 12 divisors (see below), whose sum is σ = 250075140000. Its totient is φ = 161231120880.

The previous prime is 201606200431. The next prime is 201606200527. The reversal of 201606200525 is 525002606102.

It is not a de Polignac number, because 201606200525 - 2⁸ = 201606200269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201606200527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1269515 + ... + 1419464.

It is an arithmetic number, because the mean of its divisors is an integer number (20839595000).

Almost surely, 2^201606200525 is an apocalyptic number.

201606200525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201606200525 is a deficient number, since it is larger than the sum of its proper divisors (48468939475).

201606200525 is a wasteful number, since it uses less digits than its factorization.

201606200525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691988 (or 2691983 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 201606200525 its reverse (525002606102), we get a palindrome (726608806627).

The spelling of 201606200525 in words is "two hundred one billion, six hundred six million, two hundred thousand, five hundred twenty-five".