706813651 has 2 divisors, whose sum is σ = 706813652. Its totient is φ = 706813650.

The previous prime is 706813643. The next prime is 706813663. The reversal of 706813651 is 156318607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 706813651 - 2³ = 706813643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 706813651.

It is not a weakly prime, because it can be changed into another prime (706813691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353406825 + 353406826.

It is an arithmetic number, because the mean of its divisors is an integer number (353406826).

Almost surely, 2^706813651 is an apocalyptic number.

706813651 is a deficient number, since it is larger than the sum of its proper divisors (1).

706813651 is an equidigital number, since it uses as much as digits as its factorization.

706813651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 706813651 is about 26585.9671819552. The cubic root of 706813651 is about 890.7755941610.

The spelling of 706813651 in words is "seven hundred six million, eight hundred thirteen thousand, six hundred fifty-one".