254673949 has 2 divisors, whose sum is σ = 254673950. Its totient is φ = 254673948.

The previous prime is 254673899. The next prime is 254673961. The reversal of 254673949 is 949376452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152522500 + 102151449 = 12350^2 + 10107^2 .

It is a cyclic number.

It is not a de Polignac number, because 254673949 - 2¹⁹ = 254149661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254673449) 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 as a sum of consecutive naturals, namely, 127336974 + 127336975.

It is an arithmetic number, because the mean of its divisors is an integer number (127336975).

Almost surely, 2^254673949 is an apocalyptic number.

It is an amenable number.

254673949 is a deficient number, since it is larger than the sum of its proper divisors (1).

254673949 is an equidigital number, since it uses as much as digits as its factorization.

254673949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The square root of 254673949 is about 15958.5071043629. The cubic root of 254673949 is about 633.8621813300.

The spelling of 254673949 in words is "two hundred fifty-four million, six hundred seventy-three thousand, nine hundred forty-nine".