254432663 has 4 divisors (see below), whose sum is σ = 254955600. Its totient is φ = 253909728.

The previous prime is 254432653. The next prime is 254432671. The reversal of 254432663 is 366234452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254432663 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 (254432653) 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, 260738 + ... + 261711.

It is an arithmetic number, because the mean of its divisors is an integer number (63738900).

Almost surely, 2^254432663 is an apocalyptic number.

254432663 is a deficient number, since it is larger than the sum of its proper divisors (522937).

254432663 is an equidigital number, since it uses as much as digits as its factorization.

254432663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522936.

The product of its digits is 103680, while the sum is 35.

The square root of 254432663 is about 15950.9455205640. The cubic root of 254432663 is about 633.6619378461.

The spelling of 254432663 in words is "two hundred fifty-four million, four hundred thirty-two thousand, six hundred sixty-three".