707664241 has 2 divisors, whose sum is σ = 707664242. Its totient is φ = 707664240.

The previous prime is 707664239. The next prime is 707664271. The reversal of 707664241 is 142466707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440832016 + 266832225 = 20996^2 + 16335^2 .

It is an emirp because it is prime and its reverse (142466707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 707664241 - 2¹ = 707664239 is a prime.

Together with 707664239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 707664241.

It is not a weakly prime, because it can be changed into another prime (707664271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353832120 + 353832121.

It is an arithmetic number, because the mean of its divisors is an integer number (353832121).

Almost surely, 2^707664241 is an apocalyptic number.

It is an amenable number.

707664241 is a deficient number, since it is larger than the sum of its proper divisors (1).

707664241 is an equidigital number, since it uses as much as digits as its factorization.

707664241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 707664241 is about 26601.9593451310. The cubic root of 707664241 is about 891.1327750946.

It can be divided in two parts, 7076 and 64241, that added together give a palindrome (71317).

The spelling of 707664241 in words is "seven hundred seven million, six hundred sixty-four thousand, two hundred forty-one".