264749 has 2 divisors, whose sum is σ = 264750. Its totient is φ = 264748.

The previous prime is 264743. The next prime is 264757. The reversal of 264749 is 947462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 24649 = 490^2 + 157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132374 + 132375.

It is an arithmetic number, because the mean of its divisors is an integer number (132375).

2²⁶⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

264749 is a deficient number, since it is larger than the sum of its proper divisors (1).

264749 is an equidigital number, since it uses as much as digits as its factorization.

264749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 264749 is about 514.5376565423. The cubic root of 264749 is about 64.2112970742.

The spelling of 264749 in words is "two hundred sixty-four thousand, seven hundred forty-nine".