201251411 has 8 divisors (see below), whose sum is σ = 212811648. Its totient is φ = 190008000.

The previous prime is 201251381. The next prime is 201251447. The reversal of 201251411 is 114152102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201251411 is a prime.

It is a super-3 number, since 3×201251411³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201251411.

It is not an unprimeable number, because it can be changed into a prime (201251471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77900 + ... + 80441.

It is an arithmetic number, because the mean of its divisors is an integer number (26601456).

Almost surely, 2^201251411 is an apocalyptic number.

201251411 is a deficient number, since it is larger than the sum of its proper divisors (11560237).

201251411 is a wasteful number, since it uses less digits than its factorization.

201251411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158413.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 201251411 is about 14186.3106902394. The cubic root of 201251411 is about 586.0207284929.

The spelling of 201251411 in words is "two hundred one million, two hundred fifty-one thousand, four hundred eleven".