1030302253 has 2 divisors, whose sum is σ = 1030302254. Its totient is φ = 1030302252.

The previous prime is 1030302223. The next prime is 1030302257. The reversal of 1030302253 is 3522030301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696801609 + 333500644 = 26397^2 + 18262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030302253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1030302253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030302257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515151126 + 515151127.

It is an arithmetic number, because the mean of its divisors is an integer number (515151127).

Almost surely, 2^1030302253 is an apocalyptic number.

It is an amenable number.

1030302253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030302253 is an equidigital number, since it uses as much as digits as its factorization.

1030302253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 1030302253 is about 32098.3216539432. The cubic root of 1030302253 is about 1010.0004094368. Note that the first 3 decimals are identical.

Adding to 1030302253 its reverse (3522030301), we get a palindrome (4552332554).

The spelling of 1030302253 in words is "one billion, thirty million, three hundred two thousand, two hundred fifty-three".