4170625 has 10 divisors (see below), whose sum is σ = 5212394. Its totient is φ = 3336000.

The previous prime is 4170601. The next prime is 4170641. The reversal of 4170625 is 5260714.

It can be written as a sum of positive squares in 5 ways, for example, as 2852721 + 1317904 = 1689^2 + 1148^2 .

It is not a de Polignac number, because 4170625 - 2⁷ = 4170497 is a prime.

It is a super-2 number, since 2×4170625² = 34788225781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4170625.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2712 + ... + 3961.

Almost surely, 2^4170625 is an apocalyptic number.

It is an amenable number.

4170625 is a deficient number, since it is larger than the sum of its proper divisors (1041769).

4170625 is an frugal number, since it uses more digits than its factorization.

4170625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693 (or 6678 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 4170625 is about 2042.2108118409. The cubic root of 4170625 is about 160.9658376908.

The spelling of 4170625 in words is "four million, one hundred seventy thousand, six hundred twenty-five".