2147925 has 24 divisors (see below), whose sum is σ = 3826144. Its totient is φ = 1056960.

The previous prime is 2147923. The next prime is 2147941. The reversal of 2147925 is 5297412.

It is not a de Polignac number, because 2147925 - 2¹ = 2147923 is a prime.

It is a super-2 number, since 2×2147925² = 9227163611250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2147892 and 2147901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127 + ... + 2076.

2^2147925 is an apocalyptic number.

2147925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2147925 is a deficient number, since it is larger than the sum of its proper divisors (1678219).

2147925 is a wasteful number, since it uses less digits than its factorization.

2147925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2224 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 2147925 is about 1465.5800899303. The cubic root of 2147925 is about 129.0247533774.

The spelling of 2147925 in words is "two million, one hundred forty-seven thousand, nine hundred twenty-five".