264334249 has 2 divisors, whose sum is σ = 264334250. Its totient is φ = 264334248.

The previous prime is 264334247. The next prime is 264334261. The reversal of 264334249 is 942433462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189200025 + 75134224 = 13755^2 + 8668^2 .

It is a cyclic number.

It is not a de Polignac number, because 264334249 - 2¹ = 264334247 is a prime.

Together with 264334247, it forms a pair of twin primes.

It is equal to p_14419486 and since 264334249 and 14419486 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (264334243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132167124 + 132167125.

It is an arithmetic number, because the mean of its divisors is an integer number (132167125).

Almost surely, 2^264334249 is an apocalyptic number.

It is an amenable number.

264334249 is a deficient number, since it is larger than the sum of its proper divisors (1).

264334249 is an equidigital number, since it uses as much as digits as its factorization.

264334249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 37.

The square root of 264334249 is about 16258.3593575736. The cubic root of 264334249 is about 641.7774879673. Note that the first 3 decimals are identical.

The spelling of 264334249 in words is "two hundred sixty-four million, three hundred thirty-four thousand, two hundred forty-nine".