264503085 has 128 divisors (see below), whose sum is σ = 588902400. Its totient is φ = 97873920.

The previous prime is 264503021. The next prime is 264503087. The reversal of 264503085 is 580305462.

It is not a de Polignac number, because 264503085 - 2⁶ = 264503021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264503087) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 372711 + ... + 373419.

It is an arithmetic number, because the mean of its divisors is an integer number (4600800).

Almost surely, 2^264503085 is an apocalyptic number.

It is an amenable number.

264503085 is an abundant number, since it is smaller than the sum of its proper divisors (324399315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264503085 is a wasteful number, since it uses less digits than its factorization.

264503085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 264503085 is about 16263.5508115540. The cubic root of 264503085 is about 641.9140979387.

The spelling of 264503085 in words is "two hundred sixty-four million, five hundred three thousand, eighty-five".