1825069 has 4 divisors (see below), whose sum is σ = 1932444. Its totient is φ = 1717696.

The previous prime is 1825039. The next prime is 1825079. The reversal of 1825069 is 9605281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9605281 = 7 ⋅1372183.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 697225 = 1062^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1825069 - 2¹¹ = 1823021 is a prime.

It is a super-2 number, since 2×1825069² = 6661753709522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1825069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825039) 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 in 3 ways as a sum of consecutive naturals, for example, 53662 + ... + 53695.

It is an arithmetic number, because the mean of its divisors is an integer number (483111).

2^1825069 is an apocalyptic number.

It is an amenable number.

1825069 is a deficient number, since it is larger than the sum of its proper divisors (107375).

1825069 is a wasteful number, since it uses less digits than its factorization.

1825069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107374.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1825069 is about 1350.9511464150. The cubic root of 1825069 is about 122.2061595359.

The spelling of 1825069 in words is "one million, eight hundred twenty-five thousand, sixty-nine".