2817625 has 8 divisors (see below), whose sum is σ = 3516552. Its totient is φ = 2254000.

The previous prime is 2817623. The next prime is 2817629. The reversal of 2817625 is 5267182.

It can be written as a sum of positive squares in 4 ways, for example, as 8649 + 2808976 = 93^2 + 1676^2 .

It is not a de Polignac number, because 2817625 - 2¹ = 2817623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2817623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11146 + ... + 11395.

It is an arithmetic number, because the mean of its divisors is an integer number (439569).

2^2817625 is an apocalyptic number.

2817625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2817625 is a deficient number, since it is larger than the sum of its proper divisors (698927).

2817625 is an equidigital number, since it uses as much as digits as its factorization.

2817625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22556 (or 22546 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2817625 is about 1678.5782674633. The cubic root of 2817625 is about 141.2410911446.

The spelling of 2817625 in words is "two million, eight hundred seventeen thousand, six hundred twenty-five".