254113421 has 2 divisors, whose sum is σ = 254113422. Its totient is φ = 254113420.

The previous prime is 254113397. The next prime is 254113427. The reversal of 254113421 is 124311452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138980521 + 115132900 = 11789^2 + 10730^2 .

It is a cyclic number.

It is not a de Polignac number, because 254113421 - 2⁶ = 254113357 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 (254113427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127056710 + 127056711.

It is an arithmetic number, because the mean of its divisors is an integer number (127056711).

Almost surely, 2^254113421 is an apocalyptic number.

It is an amenable number.

254113421 is a deficient number, since it is larger than the sum of its proper divisors (1).

254113421 is an equidigital number, since it uses as much as digits as its factorization.

254113421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 254113421 is about 15940.9353866077. The cubic root of 254113421 is about 633.3968039498.

Adding to 254113421 its reverse (124311452), we get a palindrome (378424873).

The spelling of 254113421 in words is "two hundred fifty-four million, one hundred thirteen thousand, four hundred twenty-one".