2670625 has 10 divisors (see below), whose sum is σ = 3337994. Its totient is φ = 2136000.

The previous prime is 2670611. The next prime is 2670637. The reversal of 2670625 is 5260762.

It can be written as a sum of positive squares in 5 ways, for example, as 1361889 + 1308736 = 1167^2 + 1144^2 .

It is not a de Polignac number, because 2670625 - 2⁹ = 2670113 is a prime.

It is a Duffinian number.

2670625 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2670593 and 2670602.

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, 1512 + ... + 2761.

2^2670625 is an apocalyptic number.

2670625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2670625 is a deficient number, since it is larger than the sum of its proper divisors (667369).

2670625 is an frugal number, since it uses more digits than its factorization.

2670625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293 (or 4278 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2670625 is about 1634.2046995404. The cubic root of 2670625 is about 138.7408348246.

The spelling of 2670625 in words is "two million, six hundred seventy thousand, six hundred twenty-five".