264354361 has 2 divisors, whose sum is σ = 264354362. Its totient is φ = 264354360.

The previous prime is 264354359. The next prime is 264354379. The reversal of 264354361 is 163453462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175165225 + 89189136 = 13235^2 + 9444^2 .

It is a cyclic number.

It is not a de Polignac number, because 264354361 - 2¹ = 264354359 is a prime.

Together with 264354359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (264354331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132177180 + 132177181.

It is an arithmetic number, because the mean of its divisors is an integer number (132177181).

Almost surely, 2^264354361 is an apocalyptic number.

It is an amenable number.

264354361 is a deficient number, since it is larger than the sum of its proper divisors (1).

264354361 is an equidigital number, since it uses as much as digits as its factorization.

264354361 is an evil number, because the sum of its binary digits is even.

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

The square root of 264354361 is about 16258.9778584018. The cubic root of 264354361 is about 641.7937642054.

The spelling of 264354361 in words is "two hundred sixty-four million, three hundred fifty-four thousand, three hundred sixty-one".