706528013225 has 12 divisors (see below), whose sum is σ = 876817028556. Its totient is φ = 564756415680.

The previous prime is 706528013221. The next prime is 706528013263. The reversal of 706528013225 is 522310825607.

It can be written as a sum of positive squares in 6 ways, for example, as 15696080656 + 690831932569 = 125284^2 + 831163^2 .

It is not a de Polignac number, because 706528013225 - 2² = 706528013221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706528013221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11618942 + ... + 11679591.

It is an arithmetic number, because the mean of its divisors is an integer number (73068085713).

Almost surely, 2^706528013225 is an apocalyptic number.

It is an amenable number.

706528013225 is a deficient number, since it is larger than the sum of its proper divisors (170289015331).

706528013225 is a wasteful number, since it uses less digits than its factorization.

706528013225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23299756 (or 23299751 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 706528013225 in words is "seven hundred six billion, five hundred twenty-eight million, thirteen thousand, two hundred twenty-five".