254511121 has 2 divisors, whose sum is σ = 254511122. Its totient is φ = 254511120.

The previous prime is 254511113. The next prime is 254511133. The reversal of 254511121 is 121115452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253956096 + 555025 = 15936^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 254511121 - 2³ = 254511113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254511092 and 254511101.

It is not a weakly prime, because it can be changed into another prime (254511181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127255560 + 127255561.

It is an arithmetic number, because the mean of its divisors is an integer number (127255561).

Almost surely, 2^254511121 is an apocalyptic number.

It is an amenable number.

254511121 is a deficient number, since it is larger than the sum of its proper divisors (1).

254511121 is an equidigital number, since it uses as much as digits as its factorization.

254511121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 400, while the sum is 22.

The square root of 254511121 is about 15953.4046836404. The cubic root of 254511121 is about 633.7270641005.

Adding to 254511121 its reverse (121115452), we get a palindrome (375626573).

The spelling of 254511121 in words is "two hundred fifty-four million, five hundred eleven thousand, one hundred twenty-one".