262555723513 has 2 divisors, whose sum is σ = 262555723514. Its totient is φ = 262555723512.

The previous prime is 262555723459. The next prime is 262555723523. The reversal of 262555723513 is 315327555262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145364525289 + 117191198224 = 381267^2 + 342332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262555723513 is a prime.

It is a super-2 number, since 2×262555723513² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (262555723523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131277861756 + 131277861757.

It is an arithmetic number, because the mean of its divisors is an integer number (131277861757).

Almost surely, 2^262555723513 is an apocalyptic number.

It is an amenable number.

262555723513 is a deficient number, since it is larger than the sum of its proper divisors (1).

262555723513 is an equidigital number, since it uses as much as digits as its factorization.

262555723513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890000, while the sum is 46.

The spelling of 262555723513 in words is "two hundred sixty-two billion, five hundred fifty-five million, seven hundred twenty-three thousand, five hundred thirteen".