201945252 has 24 divisors (see below), whose sum is σ = 471647232. Its totient is φ = 67252000.

The previous prime is 201945239. The next prime is 201945283. The reversal of 201945252 is 252549102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6502 + ... + 21122.

It is an arithmetic number, because the mean of its divisors is an integer number (19651968).

Almost surely, 2^201945252 is an apocalyptic number.

It is an amenable number.

201945252 is an abundant number, since it is smaller than the sum of its proper divisors (269701980).

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

201945252 is a wasteful number, since it uses less digits than its factorization.

201945252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15779 (or 15777 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 201945252 is about 14210.7442451126. The cubic root of 201945252 is about 586.6934174843.

The spelling of 201945252 in words is "two hundred one million, nine hundred forty-five thousand, two hundred fifty-two".