263115245 has 16 divisors (see below), whose sum is σ = 324027648. Its totient is φ = 204984960.

The previous prime is 263115241. The next prime is 263115299. The reversal of 263115245 is 542511362.

It is not a de Polignac number, because 263115245 - 2² = 263115241 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 (263115241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181112 + ... + 182558.

It is an arithmetic number, because the mean of its divisors is an integer number (20251728).

Almost surely, 2^263115245 is an apocalyptic number.

It is an amenable number.

263115245 is a deficient number, since it is larger than the sum of its proper divisors (60912403).

263115245 is a wasteful number, since it uses less digits than its factorization.

263115245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its digits is 7200, while the sum is 29.

The square root of 263115245 is about 16220.8275066348. The cubic root of 263115245 is about 640.7894270617.

The spelling of 263115245 in words is "two hundred sixty-three million, one hundred fifteen thousand, two hundred forty-five".