1825689253 has 2 divisors, whose sum is σ = 1825689254. Its totient is φ = 1825689252.

The previous prime is 1825689247. The next prime is 1825689277. The reversal of 1825689253 is 3529865281.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 975500289 + 850188964 = 31233^2 + 29158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1825689253 - 2⁹ = 1825688741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1825689197 and 1825689206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1825689223) 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 as a sum of consecutive naturals, namely, 912844626 + 912844627.

It is an arithmetic number, because the mean of its divisors is an integer number (912844627).

Almost surely, 2^1825689253 is an apocalyptic number.

It is an amenable number.

1825689253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1825689253 is an equidigital number, since it uses as much as digits as its factorization.

1825689253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 49.

The square root of 1825689253 is about 42728.0850612334. The cubic root of 1825689253 is about 1222.2000196264.

The spelling of 1825689253 in words is "one billion, eight hundred twenty-five million, six hundred eighty-nine thousand, two hundred fifty-three".