264581453 has 2 divisors, whose sum is σ = 264581454. Its totient is φ = 264581452.

The previous prime is 264581431. The next prime is 264581467. The reversal of 264581453 is 354185462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235991044 + 28590409 = 15362^2 + 5347^2 .

It is a cyclic number.

It is not a de Polignac number, because 264581453 - 2⁶ = 264581389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264581423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132290726 + 132290727.

It is an arithmetic number, because the mean of its divisors is an integer number (132290727).

Almost surely, 2^264581453 is an apocalyptic number.

It is an amenable number.

264581453 is a deficient number, since it is larger than the sum of its proper divisors (1).

264581453 is an equidigital number, since it uses as much as digits as its factorization.

264581453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 38.

The square root of 264581453 is about 16265.9599470797. The cubic root of 264581453 is about 641.9774879449.

The spelling of 264581453 in words is "two hundred sixty-four million, five hundred eighty-one thousand, four hundred fifty-three".