264203453 has 4 divisors (see below), whose sum is σ = 265231740. Its totient is φ = 263175168.

The previous prime is 264203449. The next prime is 264203479. The reversal of 264203453 is 354302462.

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 252079129 + 12124324 = 15877^2 + 3482^2 .

It is a cyclic number.

It is not a de Polignac number, because 264203453 - 2² = 264203449 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 (264253453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513758 + ... + 514271.

It is an arithmetic number, because the mean of its divisors is an integer number (66307935).

Almost surely, 2^264203453 is an apocalyptic number.

It is an amenable number.

264203453 is a deficient number, since it is larger than the sum of its proper divisors (1028287).

264203453 is a wasteful number, since it uses less digits than its factorization.

264203453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028286.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 264203453 is about 16254.3364367790. The cubic root of 264203453 is about 641.6716172403.

Subtracting 264203453 from its reverse (354302462), we obtain a palindrome (90099009).

The spelling of 264203453 in words is "two hundred sixty-four million, two hundred three thousand, four hundred fifty-three".