263214505 has 16 divisors (see below), whose sum is σ = 333069120. Its totient is φ = 199136448.

The previous prime is 263214503. The next prime is 263214509. The reversal of 263214505 is 505412362.

It is a cyclic number.

It is not a de Polignac number, because 263214505 - 2¹ = 263214503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263214503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59914 + ... + 64156.

It is an arithmetic number, because the mean of its divisors is an integer number (20816820).

Almost surely, 2^263214505 is an apocalyptic number.

It is an amenable number.

263214505 is a deficient number, since it is larger than the sum of its proper divisors (69854615).

263214505 is a wasteful number, since it uses less digits than its factorization.

263214505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 263214505 is about 16223.8868647436. The cubic root of 263214505 is about 640.8699960179.

Adding to 263214505 its reverse (505412362), we get a palindrome (768626867).

The spelling of 263214505 in words is "two hundred sixty-three million, two hundred fourteen thousand, five hundred five".