253435753 has 2 divisors, whose sum is σ = 253435754. Its totient is φ = 253435752.

The previous prime is 253435649. The next prime is 253435783. The reversal of 253435753 is 357534352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244985104 + 8450649 = 15652^2 + 2907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253435753 is a prime.

It is not a weakly prime, because it can be changed into another prime (253435783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126717876 + 126717877.

It is an arithmetic number, because the mean of its divisors is an integer number (126717877).

Almost surely, 2^253435753 is an apocalyptic number.

It is an amenable number.

253435753 is a deficient number, since it is larger than the sum of its proper divisors (1).

253435753 is an equidigital number, since it uses as much as digits as its factorization.

253435753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 37.

The square root of 253435753 is about 15919.6656057846. The cubic root of 253435753 is about 632.8332565539.

The spelling of 253435753 in words is "two hundred fifty-three million, four hundred thirty-five thousand, seven hundred fifty-three".