263213950 has 12 divisors (see below), whose sum is σ = 489578040. Its totient is φ = 105285560.

The previous prime is 263213933. The next prime is 263213957. The reversal of 263213950 is 59312362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263213957) 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 5 ways as a sum of consecutive naturals, for example, 2632090 + ... + 2632189.

It is an arithmetic number, because the mean of its divisors is an integer number (40798170).

Almost surely, 2^263213950 is an apocalyptic number.

263213950 is a deficient number, since it is larger than the sum of its proper divisors (226364090).

263213950 is a wasteful number, since it uses less digits than its factorization.

263213950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264291 (or 5264286 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 263213950 is about 16223.8697603254. The cubic root of 263213950 is about 640.8695455829.

The spelling of 263213950 in words is "two hundred sixty-three million, two hundred thirteen thousand, nine hundred fifty".