264153803 has 6 divisors (see below), whose sum is σ = 280606596. Its totient is φ = 248615072.

The previous prime is 264153787. The next prime is 264153809. The reversal of 264153803 is 308351462.

It is not a de Polignac number, because 264153803 - 2⁴ = 264153787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264153803.

It is not an unprimeable number, because it can be changed into a prime (264153809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456725 + ... + 457302.

It is an arithmetic number, because the mean of its divisors is an integer number (46767766).

Almost surely, 2^264153803 is an apocalyptic number.

264153803 is a deficient number, since it is larger than the sum of its proper divisors (16452793).

264153803 is an equidigital number, since it uses as much as digits as its factorization.

264153803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914061 (or 914044 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 264153803 is about 16252.8090802790. The cubic root of 264153803 is about 641.6314196939.

The spelling of 264153803 in words is "two hundred sixty-four million, one hundred fifty-three thousand, eight hundred three".