263063245 has 8 divisors (see below), whose sum is σ = 318626784. Its totient is φ = 208483344.

The previous prime is 263063231. The next prime is 263063249. The reversal of 263063245 is 542360362.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263063245 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 (263063249) 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, 245319 + ... + 246388.

It is an arithmetic number, because the mean of its divisors is an integer number (39828348).

Almost surely, 2^263063245 is an apocalyptic number.

It is an amenable number.

263063245 is a deficient number, since it is larger than the sum of its proper divisors (55563539).

263063245 is a wasteful number, since it uses less digits than its factorization.

263063245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491819.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 263063245 is about 16219.2245498976. The cubic root of 263063245 is about 640.7472107754.

The spelling of 263063245 in words is "two hundred sixty-three million, sixty-three thousand, two hundred forty-five".