1825457 has 2 divisors, whose sum is σ = 1825458. Its totient is φ = 1825456.

The previous prime is 1825451. The next prime is 1825459. The reversal of 1825457 is 7545281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1825201 + 256 = 1351^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 1825457 - 2¹⁶ = 1759921 is a prime.

Together with 1825459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1825451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912728 + 912729.

It is an arithmetic number, because the mean of its divisors is an integer number (912729).

2^1825457 is an apocalyptic number.

It is an amenable number.

1825457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1825457 is an equidigital number, since it uses as much as digits as its factorization.

1825457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 32.

The square root of 1825457 is about 1351.0947413117. The cubic root of 1825457 is about 122.2148190496.

The spelling of 1825457 in words is "one million, eight hundred twenty-five thousand, four hundred fifty-seven".