201950261 has 8 divisors (see below), whose sum is σ = 206203200. Its totient is φ = 197733888.

The previous prime is 201950257. The next prime is 201950267. The reversal of 201950261 is 162059102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201950261 - 2² = 201950257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201950261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201950267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165 + ... + 20213.

It is an arithmetic number, because the mean of its divisors is an integer number (25775400).

Almost surely, 2^201950261 is an apocalyptic number.

It is an amenable number.

201950261 is a deficient number, since it is larger than the sum of its proper divisors (4252939).

201950261 is a wasteful number, since it uses less digits than its factorization.

201950261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18283.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 201950261 is about 14210.9204839095. The cubic root of 201950261 is about 586.6982681769.

The spelling of 201950261 in words is "two hundred one million, nine hundred fifty thousand, two hundred sixty-one".