201009562 has 8 divisors (see below), whose sum is σ = 324707796. Its totient is φ = 92773632.

The previous prime is 201009533. The next prime is 201009659. The reversal of 201009562 is 265900102.

It can be written as a sum of positive squares in 2 ways, for example, as 200760561 + 249001 = 14169^2 + 499^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865543 + ... + 3865594.

Almost surely, 2^201009562 is an apocalyptic number.

201009562 is a deficient number, since it is larger than the sum of its proper divisors (123698234).

201009562 is a wasteful number, since it uses less digits than its factorization.

201009562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7731152.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 201009562 is about 14177.7841004862. The cubic root of 201009562 is about 585.7858889998.

Adding to 201009562 its reverse (265900102), we get a palindrome (466909664).

The spelling of 201009562 in words is "two hundred one million, nine thousand, five hundred sixty-two".