1724869253 has 2 divisors, whose sum is σ = 1724869254. Its totient is φ = 1724869252.

The previous prime is 1724869247. The next prime is 1724869273. The reversal of 1724869253 is 3529684271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1695957124 + 28912129 = 41182^2 + 5377^2 .

It is an emirp because it is prime and its reverse (3529684271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1724869253 - 2²⁰ = 1723820677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1724869198 and 1724869207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1724869273) 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, 862434626 + 862434627.

It is an arithmetic number, because the mean of its divisors is an integer number (862434627).

Almost surely, 2^1724869253 is an apocalyptic number.

It is an amenable number.

1724869253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1724869253 is an equidigital number, since it uses as much as digits as its factorization.

1724869253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 1724869253 is about 41531.5452758503. The cubic root of 1724869253 is about 1199.2748519348.

The spelling of 1724869253 in words is "one billion, seven hundred twenty-four million, eight hundred sixty-nine thousand, two hundred fifty-three".