493100261 has 8 divisors (see below), whose sum is σ = 499999584. Its totient is φ = 486223920.

The previous prime is 493100239. The next prime is 493100273. The reversal of 493100261 is 162001394.

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

It is a cyclic number.

It is not a de Polignac number, because 493100261 - 2¹⁸ = 492838117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 493100261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493100561) 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, 39971 + ... + 50831.

It is an arithmetic number, because the mean of its divisors is an integer number (62499948).

Almost surely, 2^493100261 is an apocalyptic number.

It is an amenable number.

493100261 is a deficient number, since it is larger than the sum of its proper divisors (6899323).

493100261 is a wasteful number, since it uses less digits than its factorization.

493100261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 493100261 is about 22205.8609605662. The cubic root of 493100261 is about 790.0327182946.

The spelling of 493100261 in words is "four hundred ninety-three million, one hundred thousand, two hundred sixty-one".