2194525 has 12 divisors (see below), whose sum is σ = 2788884. Its totient is φ = 1712000.

The previous prime is 2194501. The next prime is 2194529. The reversal of 2194525 is 5254912.

It can be written as a sum of positive squares in 6 ways, for example, as 42436 + 2152089 = 206^2 + 1467^2 .

It is not a de Polignac number, because 2194525 - 2⁹ = 2194013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2194493 and 2194502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (232407).

2^2194525 is an apocalyptic number.

2194525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2194525 is a deficient number, since it is larger than the sum of its proper divisors (594359).

2194525 is a wasteful number, since it uses less digits than its factorization.

2194525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2187 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 2194525 is about 1481.3929255940. The cubic root of 2194525 is about 129.9511650893.

The spelling of 2194525 in words is "two million, one hundred ninety-four thousand, five hundred twenty-five".