2180425 has 12 divisors (see below), whose sum is σ = 2912140. Its totient is φ = 1609920.

The previous prime is 2180417. The next prime is 2180467. The reversal of 2180425 is 5240812.

It can be written as a sum of positive squares in 6 ways, for example, as 138384 + 2042041 = 372^2 + 1429^2 .

It is not a de Polignac number, because 2180425 - 2³ = 2180417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2180396 and 2180405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3030 + ... + 3679.

2^2180425 is an apocalyptic number.

2180425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2180425 is a deficient number, since it is larger than the sum of its proper divisors (731715).

2180425 is a wasteful number, since it uses less digits than its factorization.

2180425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732 (or 6727 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2180425 is about 1476.6262221700. The cubic root of 2180425 is about 129.6722513159.

The spelling of 2180425 in words is "two million, one hundred eighty thousand, four hundred twenty-five".