201253536 has 72 divisors (see below), whose sum is σ = 624353184. Its totient is φ = 60984960.

The previous prime is 201253523. The next prime is 201253541. The reversal of 201253536 is 635352102.

201253536 is a `hidden beast` number, since 2 + 0 + 125 + 3 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28596 + ... + 34931.

It is an arithmetic number, because the mean of its divisors is an integer number (8671572).

Almost surely, 2^201253536 is an apocalyptic number.

It is an amenable number.

201253536 is an abundant number, since it is smaller than the sum of its proper divisors (423099648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201253536 is a wasteful number, since it uses less digits than its factorization.

201253536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63554 (or 63543 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 201253536 is about 14186.3855861879. The cubic root of 201253536 is about 586.0227910700.

The spelling of 201253536 in words is "two hundred one million, two hundred fifty-three thousand, five hundred thirty-six".