263675245 has 8 divisors (see below), whose sum is σ = 321597720. Its totient is φ = 207481920.

The previous prime is 263675177. The next prime is 263675257. The reversal of 263675245 is 542576362.

It can be written as a sum of positive squares in 4 ways, for example, as 2601 + 263672644 = 51^2 + 16238^2 .

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

It is not a de Polignac number, because 263675245 - 2¹⁹ = 263150957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263675198 and 263675207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431950 + ... + 432559.

It is an arithmetic number, because the mean of its divisors is an integer number (40199715).

Almost surely, 2^263675245 is an apocalyptic number.

It is an amenable number.

263675245 is a deficient number, since it is larger than the sum of its proper divisors (57922475).

263675245 is an equidigital number, since it uses as much as digits as its factorization.

263675245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864575.

The product of its digits is 302400, while the sum is 40.

The square root of 263675245 is about 16238.0800897150. The cubic root of 263675245 is about 641.2437119004.

The spelling of 263675245 in words is "two hundred sixty-three million, six hundred seventy-five thousand, two hundred forty-five".