706813951 has 2 divisors, whose sum is σ = 706813952. Its totient is φ = 706813950.

The previous prime is 706813853. The next prime is 706813963. The reversal of 706813951 is 159318607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 706813951 - 2²¹ = 704716799 is a prime.

It is a super-2 number, since 2×706813951² = 999171922656460802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706813651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353406975 + 353406976.

It is an arithmetic number, because the mean of its divisors is an integer number (353406976).

Almost surely, 2^706813951 is an apocalyptic number.

706813951 is a deficient number, since it is larger than the sum of its proper divisors (1).

706813951 is an equidigital number, since it uses as much as digits as its factorization.

706813951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 706813951 is about 26585.9728240288. The cubic root of 706813951 is about 890.7757201879.

The spelling of 706813951 in words is "seven hundred six million, eight hundred thirteen thousand, nine hundred fifty-one".