264215383 has 2 divisors, whose sum is σ = 264215384. Its totient is φ = 264215382.

The previous prime is 264215381. The next prime is 264215407. The reversal of 264215383 is 383512462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264215383 - 2¹ = 264215381 is a prime.

It is a super-2 number, since 2×264215383² = 139619537227673378, which contains 22 as substring.

Together with 264215381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264215381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132107691 + 132107692.

It is an arithmetic number, because the mean of its divisors is an integer number (132107692).

Almost surely, 2^264215383 is an apocalyptic number.

264215383 is a deficient number, since it is larger than the sum of its proper divisors (1).

264215383 is an equidigital number, since it uses as much as digits as its factorization.

264215383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 264215383 is about 16254.7034116283. The cubic root of 264215383 is about 641.6812752357.

The spelling of 264215383 in words is "two hundred sixty-four million, two hundred fifteen thousand, three hundred eighty-three".