260253437 has 2 divisors, whose sum is σ = 260253438. Its totient is φ = 260253436.

The previous prime is 260253407. The next prime is 260253451. The reversal of 260253437 is 734352062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255648121 + 4605316 = 15989^2 + 2146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260253437 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 (260253407) 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, 130126718 + 130126719.

It is an arithmetic number, because the mean of its divisors is an integer number (130126719).

Almost surely, 2^260253437 is an apocalyptic number.

It is an amenable number.

260253437 is a deficient number, since it is larger than the sum of its proper divisors (1).

260253437 is an equidigital number, since it uses as much as digits as its factorization.

260253437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 260253437 is about 16132.3723301937. The cubic root of 260253437 is about 638.4577423795.

The spelling of 260253437 in words is "two hundred sixty million, two hundred fifty-three thousand, four hundred thirty-seven".