260454149 has 2 divisors, whose sum is σ = 260454150. Its totient is φ = 260454148.

The previous prime is 260454121. The next prime is 260454151. The reversal of 260454149 is 941454062.

260454149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259789924 + 664225 = 16118^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 260454149 - 2¹⁶ = 260388613 is a prime.

Together with 260454151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260454049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130227074 + 130227075.

It is an arithmetic number, because the mean of its divisors is an integer number (130227075).

Almost surely, 2^260454149 is an apocalyptic number.

It is an amenable number.

260454149 is a deficient number, since it is larger than the sum of its proper divisors (1).

260454149 is an equidigital number, since it uses as much as digits as its factorization.

260454149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 260454149 is about 16138.5919150340. The cubic root of 260454149 is about 638.6218301281.

The spelling of 260454149 in words is "two hundred sixty million, four hundred fifty-four thousand, one hundred forty-nine".