264765901 has 4 divisors (see below), whose sum is σ = 264810204. Its totient is φ = 264721600.

The previous prime is 264765869. The next prime is 264765913. The reversal of 264765901 is 109567462.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34515625 + 230250276 = 5875^2 + 15174^2 .

It is a cyclic number.

It is not a de Polignac number, because 264765901 - 2⁵ = 264765869 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 (264765961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11470 + ... + 25711.

It is an arithmetic number, because the mean of its divisors is an integer number (66202551).

Almost surely, 2^264765901 is an apocalyptic number.

It is an amenable number.

264765901 is a deficient number, since it is larger than the sum of its proper divisors (44303).

264765901 is an equidigital number, since it uses as much as digits as its factorization.

264765901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44302.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 264765901 is about 16271.6287138074. The cubic root of 264765901 is about 642.1266341491.

The spelling of 264765901 in words is "two hundred sixty-four million, seven hundred sixty-five thousand, nine hundred one".