264430259 has 2 divisors, whose sum is σ = 264430260. Its totient is φ = 264430258.

The previous prime is 264430253. The next prime is 264430337. The reversal of 264430259 is 952034462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264430259 - 2⁸ = 264430003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264430253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132215129 + 132215130.

It is an arithmetic number, because the mean of its divisors is an integer number (132215130).

Almost surely, 2^264430259 is an apocalyptic number.

264430259 is a deficient number, since it is larger than the sum of its proper divisors (1).

264430259 is an equidigital number, since it uses as much as digits as its factorization.

264430259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 264430259 is about 16261.3117244581. The cubic root of 264430259 is about 641.8551794990.

The spelling of 264430259 in words is "two hundred sixty-four million, four hundred thirty thousand, two hundred fifty-nine".