254432641 has 4 divisors (see below), whose sum is σ = 255187972. Its totient is φ = 253677312.

The previous prime is 254432621. The next prime is 254432653. The reversal of 254432641 is 146234452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38489616 + 215943025 = 6204^2 + 14695^2 .

It is a cyclic number.

It is not a de Polignac number, because 254432641 - 2¹¹ = 254430593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254432611) 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, 377160 + ... + 377833.

It is an arithmetic number, because the mean of its divisors is an integer number (63796993).

Almost surely, 2^254432641 is an apocalyptic number.

It is an amenable number.

254432641 is a deficient number, since it is larger than the sum of its proper divisors (755331).

254432641 is an equidigital number, since it uses as much as digits as its factorization.

254432641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755330.

The product of its digits is 23040, while the sum is 31.

The square root of 254432641 is about 15950.9448309497. The cubic root of 254432641 is about 633.6619195825.

The spelling of 254432641 in words is "two hundred fifty-four million, four hundred thirty-two thousand, six hundred forty-one".