264264587 has 2 divisors, whose sum is σ = 264264588. Its totient is φ = 264264586.

The previous prime is 264264577. The next prime is 264264607. The reversal of 264264587 is 785462462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264264587 - 2⁶ = 264264523 is a prime.

It is not a weakly prime, because it can be changed into another prime (264264577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132132293 + 132132294.

It is an arithmetic number, because the mean of its divisors is an integer number (132132294).

Almost surely, 2^264264587 is an apocalyptic number.

264264587 is a deficient number, since it is larger than the sum of its proper divisors (1).

264264587 is an equidigital number, since it uses as much as digits as its factorization.

264264587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 44.

The square root of 264264587 is about 16256.2168723230. The cubic root of 264264587 is about 641.7211055254.

It can be divided in two parts, 26426 and 4587, that added together give a palindrome (31013).

The spelling of 264264587 in words is "two hundred sixty-four million, two hundred sixty-four thousand, five hundred eighty-seven".