263050994 has 4 divisors (see below), whose sum is σ = 394576494. Its totient is φ = 131525496.

The previous prime is 263050973. The next prime is 263050999. The reversal of 263050994 is 499050362.

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., 219424969 + 43626025 = 14813^2 + 6605^2 .

It is not an unprimeable number, because it can be changed into a prime (263050999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65762747 + ... + 65762750.

Almost surely, 2^263050994 is an apocalyptic number.

263050994 is a deficient number, since it is larger than the sum of its proper divisors (131525500).

263050994 is a wasteful number, since it uses less digits than its factorization.

263050994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131525499.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 263050994 is about 16218.8468763966. The cubic root of 263050994 is about 640.7372639710.

The spelling of 263050994 in words is "two hundred sixty-three million, fifty thousand, nine hundred ninety-four".