264541530 has 32 divisors (see below), whose sum is σ = 692618688. Its totient is φ = 64131200.

The previous prime is 264541517. The next prime is 264541559. The reversal of 264541530 is 35145462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400491 + ... + 401150.

It is an arithmetic number, because the mean of its divisors is an integer number (21644334).

Almost surely, 2^264541530 is an apocalyptic number.

264541530 is an abundant number, since it is smaller than the sum of its proper divisors (428077158).

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

264541530 is a wasteful number, since it uses less digits than its factorization.

264541530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801662.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 264541530 is about 16264.7327060730. The cubic root of 264541530 is about 641.9451967466.

Adding to 264541530 its reverse (35145462), we get a palindrome (299686992).

The spelling of 264541530 in words is "two hundred sixty-four million, five hundred forty-one thousand, five hundred thirty".