1825039049 has 4 divisors (see below), whose sum is σ = 1887971460. Its totient is φ = 1762106640.

The previous prime is 1825039043. The next prime is 1825039103. The reversal of 1825039049 is 9409305281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1482789049 + 342250000 = 38507^2 + 18500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1825039049 - 2⁴ = 1825039033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1825038997 and 1825039015.

It is not an unprimeable number, because it can be changed into a prime (1825039043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31466162 + ... + 31466219.

It is an arithmetic number, because the mean of its divisors is an integer number (471992865).

Almost surely, 2^1825039049 is an apocalyptic number.

It is an amenable number.

1825039049 is a deficient number, since it is larger than the sum of its proper divisors (62932411).

1825039049 is an equidigital number, since it uses as much as digits as its factorization.

1825039049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62932410.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1825039049 is about 42720.4757581186. The cubic root of 1825039049 is about 1222.0549102842.

The spelling of 1825039049 in words is "one billion, eight hundred twenty-five million, thirty-nine thousand, forty-nine".