264325087 has 4 divisors (see below), whose sum is σ = 284657800. Its totient is φ = 243992376.

The previous prime is 264325067. The next prime is 264325099. The reversal of 264325087 is 780523462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780523462 = 2 ⋅390261731.

It is a cyclic number.

It is not a de Polignac number, because 264325087 - 2¹¹ = 264323039 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 (264325007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10166337 + ... + 10166362.

It is an arithmetic number, because the mean of its divisors is an integer number (71164450).

Almost surely, 2^264325087 is an apocalyptic number.

264325087 is a deficient number, since it is larger than the sum of its proper divisors (20332713).

264325087 is a wasteful number, since it uses less digits than its factorization.

264325087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20332712.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 264325087 is about 16258.0775923847. The cubic root of 264325087 is about 641.7700730708.

It can be divided in two parts, 2643 and 25087, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 264325087 in words is "two hundred sixty-four million, three hundred twenty-five thousand, eighty-seven".