264342461 has 4 divisors (see below), whose sum is σ = 265477212. Its totient is φ = 263207712.

The previous prime is 264342451. The next prime is 264342577. The reversal of 264342461 is 164243462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164243462 = 2 ⋅82121731.

It can be written as a sum of positive squares in 2 ways, for example, as 143760100 + 120582361 = 11990^2 + 10981^2 .

It is a cyclic number.

It is not a de Polignac number, because 264342461 - 2¹⁰ = 264341437 is a prime.

It is a super-3 number, since 3×264342461³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264342451) 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, 567026 + ... + 567491.

It is an arithmetic number, because the mean of its divisors is an integer number (66369303).

Almost surely, 2^264342461 is an apocalyptic number.

It is an amenable number.

264342461 is a deficient number, since it is larger than the sum of its proper divisors (1134751).

264342461 is a wasteful number, since it uses less digits than its factorization.

264342461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134750.

The product of its digits is 27648, while the sum is 32.

The square root of 264342461 is about 16258.6119026195. The cubic root of 264342461 is about 641.7841338739.

The spelling of 264342461 in words is "two hundred sixty-four million, three hundred forty-two thousand, four hundred sixty-one".