2146725 has 72 divisors (see below), whose sum is σ = 4642560. Its totient is φ = 927360.

The previous prime is 2146723. The next prime is 2146733. The reversal of 2146725 is 5276412.

2146725 = T₄₆ + T₄₇ + ... + T₂₃₄.

It is not a de Polignac number, because 2146725 - 2¹ = 2146723 is a prime.

It is an Ulam number.

It is a Curzon number.

2146725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45652 + ... + 45698.

It is an arithmetic number, because the mean of its divisors is an integer number (64480).

2^2146725 is an apocalyptic number.

2146725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2146725 is an abundant number, since it is smaller than the sum of its proper divisors (2495835).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2146725 is a wasteful number, since it uses less digits than its factorization.

2146725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 91 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2146725 is about 1465.1706385264. The cubic root of 2146725 is about 129.0007211065. Note that the first 3 decimals are identical.

The spelling of 2146725 in words is "two million, one hundred forty-six thousand, seven hundred twenty-five".