265717141 has 2 divisors, whose sum is σ = 265717142. Its totient is φ = 265717140.

The previous prime is 265717139. The next prime is 265717181. The reversal of 265717141 is 141717562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167806116 + 97911025 = 12954^2 + 9895^2 .

It is a cyclic number.

It is not a de Polignac number, because 265717141 - 2¹ = 265717139 is a prime.

Together with 265717139, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 265717097 and 265717106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265717181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132858570 + 132858571.

It is an arithmetic number, because the mean of its divisors is an integer number (132858571).

Almost surely, 2^265717141 is an apocalyptic number.

It is an amenable number.

265717141 is a deficient number, since it is larger than the sum of its proper divisors (1).

265717141 is an equidigital number, since it uses as much as digits as its factorization.

265717141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 34.

The square root of 265717141 is about 16300.8325247516. The cubic root of 265717141 is about 642.8947170583.

The spelling of 265717141 in words is "two hundred sixty-five million, seven hundred seventeen thousand, one hundred forty-one".