263041258 has 4 divisors (see below), whose sum is σ = 394561890. Its totient is φ = 131520628.

The previous prime is 263041253. The next prime is 263041267. The reversal of 263041258 is 852140362.

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., 195916009 + 67125249 = 13997^2 + 8193^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (263041253) 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, 65760313 + ... + 65760316.

Almost surely, 2^263041258 is an apocalyptic number.

263041258 is a deficient number, since it is larger than the sum of its proper divisors (131520632).

263041258 is a wasteful number, since it uses less digits than its factorization.

263041258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131520631.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 263041258 is about 16218.5467289767. The cubic root of 263041258 is about 640.7293589195.

The spelling of 263041258 in words is "two hundred sixty-three million, forty-one thousand, two hundred fifty-eight".