1636053253 has 2 divisors, whose sum is σ = 1636053254. Its totient is φ = 1636053252.

The previous prime is 1636053239. The next prime is 1636053301. The reversal of 1636053253 is 3523506361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1430503684 + 205549569 = 37822^2 + 14337^2 .

It is an emirp because it is prime and its reverse (3523506361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1636053253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1636053203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818026626 + 818026627.

It is an arithmetic number, because the mean of its divisors is an integer number (818026627).

Almost surely, 2^1636053253 is an apocalyptic number.

It is an amenable number.

1636053253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1636053253 is an equidigital number, since it uses as much as digits as its factorization.

1636053253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 1636053253 is about 40448.1551248014. The cubic root of 1636053253 is about 1178.3269532031.

The spelling of 1636053253 in words is "one billion, six hundred thirty-six million, fifty-three thousand, two hundred fifty-three".