253455347 has 2 divisors, whose sum is σ = 253455348. Its totient is φ = 253455346.

The previous prime is 253455313. The next prime is 253455401. The reversal of 253455347 is 743554352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253455347 - 2¹⁰ = 253454323 is a prime.

It is a super-2 number, since 2×253455347² = 128479225845780818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253455347.

It is not a weakly prime, because it can be changed into another prime (253455047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126727673 + 126727674.

It is an arithmetic number, because the mean of its divisors is an integer number (126727674).

Almost surely, 2^253455347 is an apocalyptic number.

253455347 is a deficient number, since it is larger than the sum of its proper divisors (1).

253455347 is an equidigital number, since it uses as much as digits as its factorization.

253455347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 38.

The square root of 253455347 is about 15920.2809962639. The cubic root of 253455347 is about 632.8495649807.

The spelling of 253455347 in words is "two hundred fifty-three million, four hundred fifty-five thousand, three hundred forty-seven".