264411397 has 2 divisors, whose sum is σ = 264411398. Its totient is φ = 264411396.

The previous prime is 264411383. The next prime is 264411409. The reversal of 264411397 is 793114462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217090756 + 47320641 = 14734^2 + 6879^2 .

It is a cyclic number.

It is not a de Polignac number, because 264411397 - 2¹⁹ = 263887109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264411347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132205698 + 132205699.

It is an arithmetic number, because the mean of its divisors is an integer number (132205699).

Almost surely, 2^264411397 is an apocalyptic number.

It is an amenable number.

264411397 is a deficient number, since it is larger than the sum of its proper divisors (1).

264411397 is an equidigital number, since it uses as much as digits as its factorization.

264411397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 264411397 is about 16260.7317486022. The cubic root of 264411397 is about 641.8399178060.

It can be divided in two parts, 2644 and 11397, that added together give a palindrome (14041).

The spelling of 264411397 in words is "two hundred sixty-four million, four hundred eleven thousand, three hundred ninety-seven".