264612193 has 4 divisors (see below), whose sum is σ = 265292820. Its totient is φ = 263931568.

The previous prime is 264612169. The next prime is 264612233. The reversal of 264612193 is 391216462.

It is a happy number.

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 23493409 + 241118784 = 4847^2 + 15528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264612193 is a prime.

It is a super-2 number, since 2×264612193² = 140039225368538498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264612113) 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, 339730 + ... + 340507.

It is an arithmetic number, because the mean of its divisors is an integer number (66323205).

Almost surely, 2^264612193 is an apocalyptic number.

It is an amenable number.

264612193 is a deficient number, since it is larger than the sum of its proper divisors (680627).

264612193 is an equidigital number, since it uses as much as digits as its factorization.

264612193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680626.

The product of its digits is 15552, while the sum is 34.

The square root of 264612193 is about 16266.9048377373. The cubic root of 264612193 is about 642.0023493798.

The spelling of 264612193 in words is "two hundred sixty-four million, six hundred twelve thousand, one hundred ninety-three".