254704381 has 2 divisors, whose sum is σ = 254704382. Its totient is φ = 254704380.

The previous prime is 254704343. The next prime is 254704393. The reversal of 254704381 is 183407452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154604356 + 100100025 = 12434^2 + 10005^2 .

It is a cyclic number.

It is not a de Polignac number, because 254704381 - 2¹⁷ = 254573309 is a prime.

It is a super-3 number, since 3×254704381³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is equal to p_13922539 and since 254704381 and 13922539 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254704981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127352190 + 127352191.

It is an arithmetic number, because the mean of its divisors is an integer number (127352191).

Almost surely, 2^254704381 is an apocalyptic number.

It is an amenable number.

254704381 is a deficient number, since it is larger than the sum of its proper divisors (1).

254704381 is an equidigital number, since it uses as much as digits as its factorization.

254704381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 254704381 is about 15959.4605485273. The cubic root of 254704381 is about 633.8874278929.

The spelling of 254704381 in words is "two hundred fifty-four million, seven hundred four thousand, three hundred eighty-one".