264540522 has 32 divisors (see below), whose sum is σ = 538560000. Its totient is φ = 86608368.

The previous prime is 264540509. The next prime is 264540527. The reversal of 264540522 is 225045462.

It is a happy number.

264540522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 264540522.

It is not an unprimeable number, because it can be changed into a prime (264540527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175729 + ... + 177227.

It is an arithmetic number, because the mean of its divisors is an integer number (16830000).

Almost surely, 2^264540522 is an apocalyptic number.

264540522 is an abundant number, since it is smaller than the sum of its proper divisors (274019478).

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

264540522 is a wasteful number, since it uses less digits than its factorization.

264540522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 264540522 is about 16264.7017187528. The cubic root of 264540522 is about 641.9443813969.

Adding to 264540522 its reverse (225045462), we get a palindrome (489585984).

The spelling of 264540522 in words is "two hundred sixty-four million, five hundred forty thousand, five hundred twenty-two".