169650625 has 15 divisors (see below), whose sum is σ = 212403103. Its totient is φ = 135460000.

The previous prime is 169650571. The next prime is 169650653. The reversal of 169650625 is 526056961.

The square root of 169650625 is 13025.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 156575169 + 13075456 = 12513^2 + 3616^2 .

It is not a de Polignac number, because 169650625 - 2⁹ = 169650113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 325365 + ... + 325885.

Almost surely, 2^169650625 is an apocalyptic number.

169650625 is the 13025-th square number.

169650625 is the 6513-rd centered octagonal number.

It is an amenable number.

169650625 is a deficient number, since it is larger than the sum of its proper divisors (42752478).

169650625 is an frugal number, since it uses more digits than its factorization.

169650625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The cubic root of 169650625 is about 553.5860716606.

The spelling of 169650625 in words is "one hundred sixty-nine million, six hundred fifty thousand, six hundred twenty-five".