201256950625 has 20 divisors (see below), whose sum is σ = 251831575600. Its totient is φ = 160787322000.

The previous prime is 201256950619. The next prime is 201256950641. The reversal of 201256950625 is 526059652102.

It is not a de Polignac number, because 201256950625 - 2⁹ = 201256950113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 244006 + ... + 679744.

It is an arithmetic number, because the mean of its divisors is an integer number (12591578780).

Almost surely, 2^201256950625 is an apocalyptic number.

201256950625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201256950625 is a deficient number, since it is larger than the sum of its proper divisors (50574624975).

201256950625 is an frugal number, since it uses more digits than its factorization.

201256950625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436498 (or 436483 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 201256950625 in words is "two hundred one billion, two hundred fifty-six million, nine hundred fifty thousand, six hundred twenty-five".