254664057 has 8 divisors (see below), whose sum is σ = 339640000. Its totient is φ = 169732080.

The previous prime is 254664043. The next prime is 254664071. The reversal of 254664057 is 750466452.

It is an interprime number because it is at equal distance from previous prime (254664043) and next prime (254664071).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 254664057 - 2⁴ = 254664041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254664037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6507 + ... + 23487.

It is an arithmetic number, because the mean of its divisors is an integer number (42455000).

Almost surely, 2^254664057 is an apocalyptic number.

It is an amenable number.

254664057 is a deficient number, since it is larger than the sum of its proper divisors (84975943).

254664057 is a wasteful number, since it uses less digits than its factorization.

254664057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21983.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 254664057 is about 15958.1971726132. The cubic root of 254664057 is about 633.8539744366.

The spelling of 254664057 in words is "two hundred fifty-four million, six hundred sixty-four thousand, fifty-seven".