263126049 has 8 divisors (see below), whose sum is σ = 366088512. Its totient is φ = 167790480.

The previous prime is 263126029. The next prime is 263126063. The reversal of 263126049 is 940621362.

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

It is not a de Polignac number, because 263126049 - 2⁷ = 263125921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (263126009) 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 in 7 ways as a sum of consecutive naturals, for example, 1906642 + ... + 1906779.

It is an arithmetic number, because the mean of its divisors is an integer number (45761064).

Almost surely, 2^263126049 is an apocalyptic number.

It is an amenable number.

263126049 is a deficient number, since it is larger than the sum of its proper divisors (102962463).

263126049 is a wasteful number, since it uses less digits than its factorization.

263126049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813447.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 263126049 is about 16221.1605318485. The cubic root of 263126049 is about 640.7981976092.

It can be divided in two parts, 2631 and 26049, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 263126049 in words is "two hundred sixty-three million, one hundred twenty-six thousand, forty-nine".