264349523 has 2 divisors, whose sum is σ = 264349524. Its totient is φ = 264349522.

The previous prime is 264349513. The next prime is 264349537. The reversal of 264349523 is 325943462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264349523 - 2¹⁸ = 264087379 is a prime.

It is not a weakly prime, because it can be changed into another prime (264349513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132174761 + 132174762.

It is an arithmetic number, because the mean of its divisors is an integer number (132174762).

Almost surely, 2^264349523 is an apocalyptic number.

264349523 is a deficient number, since it is larger than the sum of its proper divisors (1).

264349523 is an equidigital number, since it uses as much as digits as its factorization.

264349523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 264349523 is about 16258.8290783808. The cubic root of 264349523 is about 641.7898489844.

The spelling of 264349523 in words is "two hundred sixty-four million, three hundred forty-nine thousand, five hundred twenty-three".