254430431 has 4 divisors (see below), whose sum is σ = 254558592. Its totient is φ = 254302272.

The previous prime is 254430409. The next prime is 254430437. The reversal of 254430431 is 134034452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254430431 - 2¹⁰ = 254429407 is a prime.

It is a super-2 number, since 2×254430431² = 129469688437691522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254430431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254430437) 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 in 3 ways as a sum of consecutive naturals, for example, 61055 + ... + 65088.

It is an arithmetic number, because the mean of its divisors is an integer number (63639648).

Almost surely, 2^254430431 is an apocalyptic number.

254430431 is a deficient number, since it is larger than the sum of its proper divisors (128161).

254430431 is a wasteful number, since it uses less digits than its factorization.

254430431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128160.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 254430431 is about 15950.8755559060. The cubic root of 254430431 is about 633.6600849163.

Adding to 254430431 its reverse (134034452), we get a palindrome (388464883).

The spelling of 254430431 in words is "two hundred fifty-four million, four hundred thirty thousand, four hundred thirty-one".