201543325252 has 6 divisors (see below), whose sum is σ = 352700819198. Its totient is φ = 100771662624.

The previous prime is 201543325229. The next prime is 201543325267. The reversal of 201543325252 is 252523345102.

It can be written as a sum of positive squares in only one way, i.e., 183341537856 + 18201787396 = 428184^2 + 134914^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25192915653 + ... + 25192915660.

Almost surely, 2^201543325252 is an apocalyptic number.

It is an amenable number.

201543325252 is a deficient number, since it is larger than the sum of its proper divisors (151157493946).

201543325252 is a wasteful number, since it uses less digits than its factorization.

201543325252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50385831317 (or 50385831315 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 201543325252 in words is "two hundred one billion, five hundred forty-three million, three hundred twenty-five thousand, two hundred fifty-two".