70825225 has 12 divisors (see below), whose sum is σ = 89481996. Its totient is φ = 55590080.

The previous prime is 70825219. The next prime is 70825253. The reversal of 70825225 is 52252807.

It can be written as a sum of positive squares in 6 ways, for example, as 46656 + 70778569 = 216^2 + 8413^2 .

It is not a de Polignac number, because 70825225 - 2⁹ = 70824713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25402 + ... + 28051.

It is an arithmetic number, because the mean of its divisors is an integer number (7456833).

Almost surely, 2^70825225 is an apocalyptic number.

It is an amenable number.

70825225 is a deficient number, since it is larger than the sum of its proper divisors (18656771).

70825225 is a wasteful number, since it uses less digits than its factorization.

70825225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53516 (or 53511 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 70825225 is about 8415.7723947360. The cubic root of 70825225 is about 413.7417251443.

The spelling of 70825225 in words is "seventy million, eight hundred twenty-five thousand, two hundred twenty-five".