264247601 has 2 divisors, whose sum is σ = 264247602. Its totient is φ = 264247600.

The previous prime is 264247589. The next prime is 264247631. The reversal of 264247601 is 106742462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259983376 + 4264225 = 16124^2 + 2065^2 .

It is a cyclic number.

It is not a de Polignac number, because 264247601 - 2⁶ = 264247537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264247631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132123800 + 132123801.

It is an arithmetic number, because the mean of its divisors is an integer number (132123801).

Almost surely, 2^264247601 is an apocalyptic number.

It is an amenable number.

264247601 is a deficient number, since it is larger than the sum of its proper divisors (1).

264247601 is an equidigital number, since it uses as much as digits as its factorization.

264247601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 264247601 is about 16255.6944176495. The cubic root of 264247601 is about 641.7073560375.

The spelling of 264247601 in words is "two hundred sixty-four million, two hundred forty-seven thousand, six hundred one".