254623247 has 2 divisors, whose sum is σ = 254623248. Its totient is φ = 254623246.

The previous prime is 254623231. The next prime is 254623261. The reversal of 254623247 is 742326452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254623247 - 2⁴ = 254623231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254623267) 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 as a sum of consecutive naturals, namely, 127311623 + 127311624.

It is an arithmetic number, because the mean of its divisors is an integer number (127311624).

Almost surely, 2^254623247 is an apocalyptic number.

254623247 is a deficient number, since it is larger than the sum of its proper divisors (1).

254623247 is an equidigital number, since it uses as much as digits as its factorization.

254623247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 35.

The square root of 254623247 is about 15956.9184681755. The cubic root of 254623247 is about 633.8201141909.

Adding to 254623247 its reverse (742326452), we get a palindrome (996949699).

The spelling of 254623247 in words is "two hundred fifty-four million, six hundred twenty-three thousand, two hundred forty-seven".