263424245 has 12 divisors (see below), whose sum is σ = 367719084. Its totient is φ = 180633600.

The previous prime is 263424233. The next prime is 263424281. The reversal of 263424245 is 542424362.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132756484 + 130667761 = 11522^2 + 11431^2 .

It is not a de Polignac number, because 263424245 - 2¹² = 263420149 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 537356 + ... + 537845.

It is an arithmetic number, because the mean of its divisors is an integer number (30643257).

Almost surely, 2^263424245 is an apocalyptic number.

It is an amenable number.

263424245 is a deficient number, since it is larger than the sum of its proper divisors (104294839).

263424245 is a wasteful number, since it uses less digits than its factorization.

263424245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075220 (or 1075213 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 263424245 is about 16230.3495033225. The cubic root of 263424245 is about 641.0401745649.

The spelling of 263424245 in words is "two hundred sixty-three million, four hundred twenty-four thousand, two hundred forty-five".