264297493 has 2 divisors, whose sum is σ = 264297494. Its totient is φ = 264297492.

The previous prime is 264297469. The next prime is 264297499. The reversal of 264297493 is 394792462.

264297493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249103089 + 15194404 = 15783^2 + 3898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264297493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264297499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132148746 + 132148747.

It is an arithmetic number, because the mean of its divisors is an integer number (132148747).

Almost surely, 2^264297493 is an apocalyptic number.

It is an amenable number.

264297493 is a deficient number, since it is larger than the sum of its proper divisors (1).

264297493 is an equidigital number, since it uses as much as digits as its factorization.

264297493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The square root of 264297493 is about 16257.2289459182. The cubic root of 264297493 is about 641.7477399407.

The spelling of 264297493 in words is "two hundred sixty-four million, two hundred ninety-seven thousand, four hundred ninety-three".