213264763 has 12 divisors (see below), whose sum is σ = 226752120. Its totient is φ = 200505536.

The previous prime is 213264761. The next prime is 213264767. The reversal of 213264763 is 367462312.

It is not a de Polignac number, because 213264763 - 2¹ = 213264761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213264761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27795 + ... + 34627.

It is an arithmetic number, because the mean of its divisors is an integer number (18896010).

Almost surely, 2^213264763 is an apocalyptic number.

213264763 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213264763 is a deficient number, since it is larger than the sum of its proper divisors (13487357).

213264763 is an equidigital number, since it uses as much as digits as its factorization.

213264763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938 (or 6915 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 213264763 is about 14603.5873332548. The cubic root of 213264763 is about 597.4566069687.

The spelling of 213264763 in words is "two hundred thirteen million, two hundred sixty-four thousand, seven hundred sixty-three".