254621369 has 2 divisors, whose sum is σ = 254621370. Its totient is φ = 254621368.

The previous prime is 254621351. The next prime is 254621387. The reversal of 254621369 is 963126452.

It is a balanced prime because it is at equal distance from previous prime (254621351) and next prime (254621387).

It can be written as a sum of positive squares in only one way, i.e., 210598144 + 44023225 = 14512^2 + 6635^2 .

It is a cyclic number.

It is not a de Polignac number, because 254621369 - 2⁸ = 254621113 is a prime.

It is a super-2 number, since 2×254621369² = 129664083102868322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (254621329) 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, 127310684 + 127310685.

It is an arithmetic number, because the mean of its divisors is an integer number (127310685).

Almost surely, 2^254621369 is an apocalyptic number.

It is an amenable number.

254621369 is a deficient number, since it is larger than the sum of its proper divisors (1).

254621369 is an equidigital number, since it uses as much as digits as its factorization.

254621369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 254621369 is about 15956.8596221186. The cubic root of 254621369 is about 633.8185559186.

The spelling of 254621369 in words is "two hundred fifty-four million, six hundred twenty-one thousand, three hundred sixty-nine".