254644057 has 4 divisors (see below), whose sum is σ = 257024016. Its totient is φ = 252264100.

The previous prime is 254644009. The next prime is 254644111. The reversal of 254644057 is 750446452.

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 254644057 - 2¹⁹ = 254119769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254648057) 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, 1189819 + ... + 1190032.

It is an arithmetic number, because the mean of its divisors is an integer number (64256004).

Almost surely, 2^254644057 is an apocalyptic number.

It is an amenable number.

254644057 is a deficient number, since it is larger than the sum of its proper divisors (2379959).

254644057 is a wasteful number, since it uses less digits than its factorization.

254644057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379958.

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 254644057 is about 15957.5705231091. The cubic root of 254644057 is about 633.8373807962.

The spelling of 254644057 in words is "two hundred fifty-four million, six hundred forty-four thousand, fifty-seven".