265125762613 has 2 divisors, whose sum is σ = 265125762614. Its totient is φ = 265125762612.

The previous prime is 265125762529. The next prime is 265125762619. The reversal of 265125762613 is 316267521562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228337755409 + 36788007204 = 477847^2 + 191802^2 .

It is a cyclic number.

It is not a de Polignac number, because 265125762613 - 2¹⁷ = 265125631541 is a prime.

It is a super-2 number, since 2×265125762613² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265125762619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132562881306 + 132562881307.

It is an arithmetic number, because the mean of its divisors is an integer number (132562881307).

Almost surely, 2^265125762613 is an apocalyptic number.

It is an amenable number.

265125762613 is a deficient number, since it is larger than the sum of its proper divisors (1).

265125762613 is an equidigital number, since it uses as much as digits as its factorization.

265125762613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 46.

The spelling of 265125762613 in words is "two hundred sixty-five billion, one hundred twenty-five million, seven hundred sixty-two thousand, six hundred thirteen".