201601546 has 4 divisors (see below), whose sum is σ = 302402322. Its totient is φ = 100800772.

The previous prime is 201601513. The next prime is 201601549. The reversal of 201601546 is 645106102.

201601546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 152250921 + 49350625 = 12339^2 + 7025^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201601546.

It is not an unprimeable number, because it can be changed into a prime (201601549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50400385 + ... + 50400388.

Almost surely, 2^201601546 is an apocalyptic number.

201601546 is a deficient number, since it is larger than the sum of its proper divisors (100800776).

201601546 is a wasteful number, since it uses less digits than its factorization.

201601546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100800775.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 201601546 is about 14198.6459213546. The cubic root of 201601546 is about 586.3603824080.

Adding to 201601546 its reverse (645106102), we get a palindrome (846707648).

The spelling of 201601546 in words is "two hundred one million, six hundred one thousand, five hundred forty-six".