1841425 has 12 divisors (see below), whose sum is σ = 2316940. Its totient is φ = 1451520.

The previous prime is 1841401. The next prime is 1841429. The reversal of 1841425 is 5241481.

It can be written as a sum of positive squares in 6 ways, for example, as 77841 + 1763584 = 279^2 + 1328^2 .

It is not a de Polignac number, because 1841425 - 2¹¹ = 1839377 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1841425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1841429) 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, 1321 + ... + 2329.

2^1841425 is an apocalyptic number.

It is an amenable number.

1841425 is a deficient number, since it is larger than the sum of its proper divisors (475515).

1841425 is a wasteful number, since it uses less digits than its factorization.

1841425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1087 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 1841425 is about 1356.9911569351. The cubic root of 1841425 is about 122.5701389255.

The spelling of 1841425 in words is "one million, eight hundred forty-one thousand, four hundred twenty-five".