201654101 has 12 divisors (see below), whose sum is σ = 227378304. Its totient is φ = 177177600.

The previous prime is 201654083. The next prime is 201654109. The reversal of 201654101 is 101456102.

It is not a de Polignac number, because 201654101 - 2¹⁴ = 201637717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201654109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261845 + ... + 262613.

It is an arithmetic number, because the mean of its divisors is an integer number (18948192).

Almost surely, 2^201654101 is an apocalyptic number.

It is an amenable number.

201654101 is a deficient number, since it is larger than the sum of its proper divisors (25724203).

201654101 is an frugal number, since it uses more digits than its factorization.

201654101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 201654101 is about 14200.4965054043. The cubic root of 201654101 is about 586.4113302522.

The spelling of 201654101 in words is "two hundred one million, six hundred fifty-four thousand, one hundred one".