264931481 has 2 divisors, whose sum is σ = 264931482. Its totient is φ = 264931480.

The previous prime is 264931453. The next prime is 264931517. The reversal of 264931481 is 184139462.

264931481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199967881 + 64963600 = 14141^2 + 8060^2 .

It is a cyclic number.

It is not a de Polignac number, because 264931481 - 2¹⁸ = 264669337 is a prime.

It is a super-2 number, since 2×264931481² = 140377379249706722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264931981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132465740 + 132465741.

It is an arithmetic number, because the mean of its divisors is an integer number (132465741).

Almost surely, 2^264931481 is an apocalyptic number.

It is an amenable number.

264931481 is a deficient number, since it is larger than the sum of its proper divisors (1).

264931481 is an equidigital number, since it uses as much as digits as its factorization.

264931481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 264931481 is about 16276.7159156877. The cubic root of 264931481 is about 642.2604645393.

The spelling of 264931481 in words is "two hundred sixty-four million, nine hundred thirty-one thousand, four hundred eighty-one".