1253203363 has 2 divisors, whose sum is σ = 1253203364. Its totient is φ = 1253203362.

The previous prime is 1253203319. The next prime is 1253203379. The reversal of 1253203363 is 3633023521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1253203363 - 2¹⁷ = 1253072291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253203313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626601681 + 626601682.

It is an arithmetic number, because the mean of its divisors is an integer number (626601682).

Almost surely, 2^1253203363 is an apocalyptic number.

1253203363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253203363 is an equidigital number, since it uses as much as digits as its factorization.

1253203363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 1253203363 is about 35400.6124664532. The cubic root of 1253203363 is about 1078.1367515941.

Adding to 1253203363 its reverse (3633023521), we get a palindrome (4886226884).

The spelling of 1253203363 in words is "one billion, two hundred fifty-three million, two hundred three thousand, three hundred sixty-three".