262141561 has 8 divisors (see below), whose sum is σ = 288805248. Its totient is φ = 235950000.

The previous prime is 262141541. The next prime is 262141571. The reversal of 262141561 is 165141262.

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

It is not a de Polignac number, because 262141561 - 2¹¹ = 262139513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (262141531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116865 + ... + 119086.

It is an arithmetic number, because the mean of its divisors is an integer number (36100656).

Almost surely, 2^262141561 is an apocalyptic number.

It is an amenable number.

262141561 is a deficient number, since it is larger than the sum of its proper divisors (26663687).

262141561 is a wasteful number, since it uses less digits than its factorization.

262141561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236063.

The product of its digits is 2880, while the sum is 28.

The square root of 262141561 is about 16190.7862996212. The cubic root of 262141561 is about 639.9980151306.

The spelling of 262141561 in words is "two hundred sixty-two million, one hundred forty-one thousand, five hundred sixty-one".