430669253 has 4 divisors (see below), whose sum is σ = 492193440. Its totient is φ = 369145068.

The previous prime is 430669243. The next prime is 430669297. The reversal of 430669253 is 352966034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352966034 = 2 ⋅176483017.

It is a cyclic number.

It is not a de Polignac number, because 430669253 - 2⁶ = 430669189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430669243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30762083 + ... + 30762096.

It is an arithmetic number, because the mean of its divisors is an integer number (123048360).

Almost surely, 2^430669253 is an apocalyptic number.

It is an amenable number.

430669253 is a deficient number, since it is larger than the sum of its proper divisors (61524187).

430669253 is an equidigital number, since it uses as much as digits as its factorization.

430669253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61524186.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 430669253 is about 20752.5722020187. The cubic root of 430669253 is about 755.1756110952.

The spelling of 430669253 in words is "four hundred thirty million, six hundred sixty-nine thousand, two hundred fifty-three".