263227069 has 6 divisors (see below), whose sum is σ = 306202974. Its totient is φ = 225623160.

The previous prime is 263227067. The next prime is 263227079. The reversal of 263227069 is 960722362.

It can be written as a sum of positive squares in only one way, i.e., 148522969 + 114704100 = 12187^2 + 10710^2 .

It is not a de Polignac number, because 263227069 - 2¹ = 263227067 is a prime.

It is a super-2 number, since 2×263227069² = 138576979708661522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263227067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2685942 + ... + 2686039.

It is an arithmetic number, because the mean of its divisors is an integer number (51033829).

Almost surely, 2^263227069 is an apocalyptic number.

It is an amenable number.

263227069 is a deficient number, since it is larger than the sum of its proper divisors (42975905).

263227069 is an equidigital number, since it uses as much as digits as its factorization.

263227069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371995 (or 5371988 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 263227069 is about 16224.2740669652. The cubic root of 263227069 is about 640.8801927236.

The spelling of 263227069 in words is "two hundred sixty-three million, two hundred twenty-seven thousand, sixty-nine".