201387061 has 4 divisors (see below), whose sum is σ = 211986400. Its totient is φ = 190787724.

The previous prime is 201387029. The next prime is 201387077. The reversal of 201387061 is 160783102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201387061 - 2⁵ = 201387029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201387761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5299641 + ... + 5299678.

It is an arithmetic number, because the mean of its divisors is an integer number (52996600).

Almost surely, 2^201387061 is an apocalyptic number.

It is an amenable number.

201387061 is a deficient number, since it is larger than the sum of its proper divisors (10599339).

201387061 is a wasteful number, since it uses less digits than its factorization.

201387061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10599338.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 201387061 is about 14191.0909023937. The cubic root of 201387061 is about 586.1523646019.

The spelling of 201387061 in words is "two hundred one million, three hundred eighty-seven thousand, sixty-one".