201711490 has 32 divisors (see below), whose sum is σ = 369308160. Its totient is φ = 79310400.

The previous prime is 201711487. The next prime is 201711509. The reversal of 201711490 is 94117102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245280 + ... + 246100.

It is an arithmetic number, because the mean of its divisors is an integer number (11540880).

Almost surely, 2^201711490 is an apocalyptic number.

201711490 is a deficient number, since it is larger than the sum of its proper divisors (167596670).

201711490 is a wasteful number, since it uses less digits than its factorization.

201711490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 201711490 is about 14202.5170304422. The cubic root of 201711490 is about 586.4669541608.

Adding to 201711490 its reverse (94117102), we get a palindrome (295828592).

The spelling of 201711490 in words is "two hundred one million, seven hundred eleven thousand, four hundred ninety".