264451633 has 12 divisors (see below), whose sum is σ = 281904948. Its totient is φ = 248018400.

The previous prime is 264451597. The next prime is 264451637. The reversal of 264451633 is 336154462.

It can be written as a sum of positive squares in 2 ways, for example, as 229310449 + 35141184 = 15143^2 + 5928^2 .

It is a de Polignac number, because none of the positive numbers 2^k-264451633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264451637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32835 + ... + 40087.

It is an arithmetic number, because the mean of its divisors is an integer number (23492079).

Almost surely, 2^264451633 is an apocalyptic number.

It is an amenable number.

264451633 is a deficient number, since it is larger than the sum of its proper divisors (17453315).

264451633 is a wasteful number, since it uses less digits than its factorization.

264451633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392 (or 7373 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 264451633 is about 16261.9689152329. The cubic root of 264451633 is about 641.8724728338.

The spelling of 264451633 in words is "two hundred sixty-four million, four hundred fifty-one thousand, six hundred thirty-three".