264555463 has 4 divisors (see below), whose sum is σ = 268504120. Its totient is φ = 260606808.

The previous prime is 264555427. The next prime is 264555491. The reversal of 264555463 is 364555462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264555463 - 2¹³ = 264547271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264555413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1974228 + ... + 1974361.

It is an arithmetic number, because the mean of its divisors is an integer number (67126030).

Almost surely, 2^264555463 is an apocalyptic number.

264555463 is a deficient number, since it is larger than the sum of its proper divisors (3948657).

264555463 is an equidigital number, since it uses as much as digits as its factorization.

264555463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948656.

The product of its digits is 432000, while the sum is 40.

The square root of 264555463 is about 16265.1610197993. The cubic root of 264555463 is about 641.9564666411.

Subtracting 264555463 from its reverse (364555462), we obtain a palindrome (99999999).

The spelling of 264555463 in words is "two hundred sixty-four million, five hundred fifty-five thousand, four hundred sixty-three".