263262213 has 12 divisors (see below), whose sum is σ = 381230668. Its totient is φ = 175063680.

The previous prime is 263262193. The next prime is 263262227. The reversal of 263262213 is 312262362.

263262213 is a `hidden beast` number, since 2 + 6 + 32 + 622 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 93663684 + 169598529 = 9678^2 + 13023^2 .

It is not a de Polignac number, because 263262213 - 2¹⁶ = 263196677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263262253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33268 + ... + 40413.

Almost surely, 2^263262213 is an apocalyptic number.

It is an amenable number.

263262213 is a deficient number, since it is larger than the sum of its proper divisors (117968455).

263262213 is a wasteful number, since it uses less digits than its factorization.

263262213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74084 (or 74081 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 263262213 is about 16225.3570993060. The cubic root of 263262213 is about 640.9087132088.

The spelling of 263262213 in words is "two hundred sixty-three million, two hundred sixty-two thousand, two hundred thirteen".