260154049 has 2 divisors, whose sum is σ = 260154050. Its totient is φ = 260154048.

The previous prime is 260154029. The next prime is 260154101. The reversal of 260154049 is 940451062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178703424 + 81450625 = 13368^2 + 9025^2 .

It is a cyclic number.

It is not a de Polignac number, because 260154049 - 2⁷ = 260153921 is a prime.

It is a super-2 number, since 2×260154049² = 135360258422188802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260154049.

It is not a weakly prime, because it can be changed into another prime (260154029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130077024 + 130077025.

It is an arithmetic number, because the mean of its divisors is an integer number (130077025).

Almost surely, 2^260154049 is an apocalyptic number.

It is an amenable number.

260154049 is a deficient number, since it is larger than the sum of its proper divisors (1).

260154049 is an equidigital number, since it uses as much as digits as its factorization.

260154049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 260154049 is about 16129.2916459465. The cubic root of 260154049 is about 638.3764586404.

The spelling of 260154049 in words is "two hundred sixty million, one hundred fifty-four thousand, forty-nine".