264641003 has 4 divisors (see below), whose sum is σ = 288699288. Its totient is φ = 240582720.

The previous prime is 264640993. The next prime is 264641029. The reversal of 264641003 is 300146462.

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

It is a cyclic number.

It is not a de Polignac number, because 264641003 - 2¹⁰ = 264639979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264641303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12029126 + ... + 12029147.

It is an arithmetic number, because the mean of its divisors is an integer number (72174822).

Almost surely, 2^264641003 is an apocalyptic number.

264641003 is a deficient number, since it is larger than the sum of its proper divisors (24058285).

264641003 is a wasteful number, since it uses less digits than its factorization.

264641003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24058284.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 264641003 is about 16267.7903539479. The cubic root of 264641003 is about 642.0256481506.

Adding to 264641003 its reverse (300146462), we get a palindrome (564787465).

The spelling of 264641003 in words is "two hundred sixty-four million, six hundred forty-one thousand, three".