254430497 has 4 divisors (see below), whose sum is σ = 256900800. Its totient is φ = 251960196.

The previous prime is 254430493. The next prime is 254430499. The reversal of 254430497 is 794034452.

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.

It is a cyclic number.

It is not a de Polignac number, because 254430497 - 2² = 254430493 is a prime.

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 254430497.

It is not an unprimeable number, because it can be changed into a prime (254430493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234997 + ... + 1235202.

It is an arithmetic number, because the mean of its divisors is an integer number (64225200).

Almost surely, 2^254430497 is an apocalyptic number.

It is an amenable number.

254430497 is a deficient number, since it is larger than the sum of its proper divisors (2470303).

254430497 is a wasteful number, since it uses less digits than its factorization.

254430497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470302.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 254430497 is about 15950.8776247578. The cubic root of 254430497 is about 633.6601397074.

The spelling of 254430497 in words is "two hundred fifty-four million, four hundred thirty thousand, four hundred ninety-seven".