263351413 has 8 divisors (see below), whose sum is σ = 283736600. Its totient is φ = 242984448.

The previous prime is 263351383. The next prime is 263351441. The reversal of 263351413 is 314153362.

It can be written as a sum of positive squares in 4 ways, for example, as 93257649 + 170093764 = 9657^2 + 13042^2 .

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 263351413 - 2¹³ = 263343221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263351453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47953 + ... + 53161.

It is an arithmetic number, because the mean of its divisors is an integer number (35467075).

Almost surely, 2^263351413 is an apocalyptic number.

It is an amenable number.

263351413 is a deficient number, since it is larger than the sum of its proper divisors (20385187).

263351413 is a wasteful number, since it uses less digits than its factorization.

263351413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111.

The product of its digits is 6480, while the sum is 28.

The square root of 263351413 is about 16228.1056503832. The cubic root of 263351413 is about 640.9810904799.

The spelling of 263351413 in words is "two hundred sixty-three million, three hundred fifty-one thousand, four hundred thirteen".