201850061 has 24 divisors (see below), whose sum is σ = 250278336. Its totient is φ = 161750400.

The previous prime is 201850049. The next prime is 201850073. The reversal of 201850061 is 160058102.

It is an interprime number because it is at equal distance from previous prime (201850049) and next prime (201850073).

It is not a de Polignac number, because 201850061 - 2²⁶ = 134741197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201850031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138386 + ... + 139836.

It is an arithmetic number, because the mean of its divisors is an integer number (10428264).

Almost surely, 2^201850061 is an apocalyptic number.

It is an amenable number.

201850061 is a deficient number, since it is larger than the sum of its proper divisors (48428275).

201850061 is a wasteful number, since it uses less digits than its factorization.

201850061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 201850061 is about 14207.3945887344. The cubic root of 201850061 is about 586.6012197065.

The spelling of 201850061 in words is "two hundred one million, eight hundred fifty thousand, sixty-one".