260542253 has 2 divisors, whose sum is σ = 260542254. Its totient is φ = 260542252.

The previous prime is 260542213. The next prime is 260542277. The reversal of 260542253 is 352245062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246427204 + 14115049 = 15698^2 + 3757^2 .

It is a cyclic number.

It is not a de Polignac number, because 260542253 - 2⁶ = 260542189 is a prime.

It is equal to p_14223791 and since 260542253 and 14223791 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260542213) 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, 130271126 + 130271127.

It is an arithmetic number, because the mean of its divisors is an integer number (130271127).

Almost surely, 2^260542253 is an apocalyptic number.

It is an amenable number.

260542253 is a deficient number, since it is larger than the sum of its proper divisors (1).

260542253 is an equidigital number, since it uses as much as digits as its factorization.

260542253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 260542253 is about 16141.3212904025. The cubic root of 260542253 is about 638.6938310220.

The spelling of 260542253 in words is "two hundred sixty million, five hundred forty-two thousand, two hundred fifty-three".