1254453253 has 2 divisors, whose sum is σ = 1254453254. Its totient is φ = 1254453252.

The previous prime is 1254453209. The next prime is 1254453271. The reversal of 1254453253 is 3523544521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 817559649 + 436893604 = 28593^2 + 20902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254453253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254403253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627226626 + 627226627.

It is an arithmetic number, because the mean of its divisors is an integer number (627226627).

Almost surely, 2^1254453253 is an apocalyptic number.

It is an amenable number.

1254453253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254453253 is an equidigital number, since it uses as much as digits as its factorization.

1254453253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 34.

The square root of 1254453253 is about 35418.2615750689. The cubic root of 1254453253 is about 1078.4950612496.

Adding to 1254453253 its reverse (3523544521), we get a palindrome (4777997774).

The spelling of 1254453253 in words is "one billion, two hundred fifty-four million, four hundred fifty-three thousand, two hundred fifty-three".