1253336347 has 2 divisors, whose sum is σ = 1253336348. Its totient is φ = 1253336346.

The previous prime is 1253336299. The next prime is 1253336353. The reversal of 1253336347 is 7436333521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253336347 is a prime.

It is a super-2 number, since 2×1253336347² = 3141703997422608818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1253336377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626668173 + 626668174.

It is an arithmetic number, because the mean of its divisors is an integer number (626668174).

Almost surely, 2^1253336347 is an apocalyptic number.

1253336347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253336347 is an equidigital number, since it uses as much as digits as its factorization.

1253336347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 37.

The square root of 1253336347 is about 35402.4906892156. The cubic root of 1253336347 is about 1078.1748858323.

Adding to 1253336347 its reverse (7436333521), we get a palindrome (8689669868).

The spelling of 1253336347 in words is "one billion, two hundred fifty-three million, three hundred thirty-six thousand, three hundred forty-seven".