201651082 has 8 divisors (see below), whose sum is σ = 302546052. Its totient is φ = 100802400.

The previous prime is 201651071. The next prime is 201651083. The reversal of 201651082 is 280156102.

It can be written as a sum of positive squares in 2 ways, for example, as 199911321 + 1739761 = 14139^2 + 1319^2 .

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

It is not an unprimeable number, because it can be changed into a prime (201651083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2982 + ... + 20302.

Almost surely, 2^201651082 is an apocalyptic number.

201651082 is a deficient number, since it is larger than the sum of its proper divisors (100894970).

201651082 is a wasteful number, since it uses less digits than its factorization.

201651082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23144.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 201651082 is about 14200.3902059063. The cubic root of 201651082 is about 586.4084038143.

The spelling of 201651082 in words is "two hundred one million, six hundred fifty-one thousand, eighty-two".