170825953 has 2 divisors, whose sum is σ = 170825954. Its totient is φ = 170825952.

The previous prime is 170825951. The next prime is 170825957. The reversal of 170825953 is 359528071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157452304 + 13373649 = 12548^2 + 3657^2 .

It is a cyclic number.

It is not a de Polignac number, because 170825953 - 2¹ = 170825951 is a prime.

Together with 170825951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (170825951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85412976 + 85412977.

It is an arithmetic number, because the mean of its divisors is an integer number (85412977).

Almost surely, 2^170825953 is an apocalyptic number.

It is an amenable number.

170825953 is a deficient number, since it is larger than the sum of its proper divisors (1).

170825953 is an equidigital number, since it uses as much as digits as its factorization.

170825953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 170825953 is about 13070.0402830290. The cubic root of 170825953 is about 554.8615329702.

The spelling of 170825953 in words is "one hundred seventy million, eight hundred twenty-five thousand, nine hundred fifty-three".