1830253 has 2 divisors, whose sum is σ = 1830254. Its totient is φ = 1830252.

The previous prime is 1830223. The next prime is 1830263. The reversal of 1830253 is 3520381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1671849 + 158404 = 1293^2 + 398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1830253 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915126 + 915127.

It is an arithmetic number, because the mean of its divisors is an integer number (915127).

2^1830253 is an apocalyptic number.

It is an amenable number.

1830253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830253 is an equidigital number, since it uses as much as digits as its factorization.

1830253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1830253 is about 1352.8684341058. The cubic root of 1830253 is about 122.3217565998.

The spelling of 1830253 in words is "one million, eight hundred thirty thousand, two hundred fifty-three".