2917625 has 16 divisors (see below), whose sum is σ = 3858192. Its totient is φ = 2195200.

The previous prime is 2917567. The next prime is 2917633. The reversal of 2917625 is 5267192.

2917625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 41209 + 2876416 = 203^2 + 1696^2 .

It is not a de Polignac number, because 2917625 - 2¹² = 2913529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2917591 and 2917600.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1439 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (241137).

2^2917625 is an apocalyptic number.

2917625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2917625 is a deficient number, since it is larger than the sum of its proper divisors (940567).

2917625 is a wasteful number, since it uses less digits than its factorization.

2917625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1395 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 2917625 is about 1708.1056758878. The cubic root of 2917625 is about 142.8926280896.

The spelling of 2917625 in words is "two million, nine hundred seventeen thousand, six hundred twenty-five".