434431253 has 2 divisors, whose sum is σ = 434431254. Its totient is φ = 434431252.

The previous prime is 434431201. The next prime is 434431259. The reversal of 434431253 is 352134434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359747089 + 74684164 = 18967^2 + 8642^2 .

It is a cyclic number.

It is not a de Polignac number, because 434431253 - 2⁶ = 434431189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434431259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217215626 + 217215627.

It is an arithmetic number, because the mean of its divisors is an integer number (217215627).

Almost surely, 2^434431253 is an apocalyptic number.

It is an amenable number.

434431253 is a deficient number, since it is larger than the sum of its proper divisors (1).

434431253 is an equidigital number, since it uses as much as digits as its factorization.

434431253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 434431253 is about 20843.0144892719. The cubic root of 434431253 is about 757.3681198884.

Adding to 434431253 its reverse (352134434), we get a palindrome (786565687).

The spelling of 434431253 in words is "four hundred thirty-four million, four hundred thirty-one thousand, two hundred fifty-three".