1825141 has 2 divisors, whose sum is σ = 1825142. Its totient is φ = 1825140.

The previous prime is 1825139. The next prime is 1825157. The reversal of 1825141 is 1415281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094116 + 731025 = 1046^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1825141 - 2¹ = 1825139 is a prime.

It is a super-2 number, since 2×1825141² = 6662279339762, which contains 22 as substring.

Together with 1825139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1826141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912570 + 912571.

It is an arithmetic number, because the mean of its divisors is an integer number (912571).

2^1825141 is an apocalyptic number.

It is an amenable number.

1825141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1825141 is an equidigital number, since it uses as much as digits as its factorization.

1825141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 22.

The square root of 1825141 is about 1350.9777940440. The cubic root of 1825141 is about 122.2077665487.

The spelling of 1825141 in words is "one million, eight hundred twenty-five thousand, one hundred forty-one".