1783479253 has 2 divisors, whose sum is σ = 1783479254. Its totient is φ = 1783479252.

The previous prime is 1783479239. The next prime is 1783479263. The reversal of 1783479253 is 3529743871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1627154244 + 156325009 = 40338^2 + 12503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1783479253 - 2⁵ = 1783479221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1783479197 and 1783479206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1783479233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891739626 + 891739627.

It is an arithmetic number, because the mean of its divisors is an integer number (891739627).

Almost surely, 2^1783479253 is an apocalyptic number.

It is an amenable number.

1783479253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1783479253 is an equidigital number, since it uses as much as digits as its factorization.

1783479253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 1783479253 is about 42231.2591926881. The cubic root of 1783479253 is about 1212.7073800954.

The spelling of 1783479253 in words is "one billion, seven hundred eighty-three million, four hundred seventy-nine thousand, two hundred fifty-three".