263343034 has 4 divisors (see below), whose sum is σ = 395014554. Its totient is φ = 131671516.

The previous prime is 263343029. The next prime is 263343037. The reversal of 263343034 is 430343362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 213598225 + 49744809 = 14615^2 + 7053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 263342993 and 263343011.

It is not an unprimeable number, because it can be changed into a prime (263343037) by changing a digit.

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 as a sum of consecutive naturals, namely, 65835757 + ... + 65835760.

Almost surely, 2^263343034 is an apocalyptic number.

263343034 is a deficient number, since it is larger than the sum of its proper divisors (131671520).

263343034 is a wasteful number, since it uses less digits than its factorization.

263343034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131671519.

The product of its (nonzero) digits is 15552, while the sum is 28.

The square root of 263343034 is about 16227.8474851103. The cubic root of 263343034 is about 640.9742924181.

Adding to 263343034 its reverse (430343362), we get a palindrome (693686396).

The spelling of 263343034 in words is "two hundred sixty-three million, three hundred forty-three thousand, thirty-four".