262040513531 has 2 divisors, whose sum is σ = 262040513532. Its totient is φ = 262040513530.

The previous prime is 262040513437. The next prime is 262040513551. The reversal of 262040513531 is 135315040262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262040513531 is a prime.

It is a super-2 number, since 2×262040513531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (262040513551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131020256765 + 131020256766.

It is an arithmetic number, because the mean of its divisors is an integer number (131020256766).

Almost surely, 2^262040513531 is an apocalyptic number.

262040513531 is a deficient number, since it is larger than the sum of its proper divisors (1).

262040513531 is an equidigital number, since it uses as much as digits as its factorization.

262040513531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 262040513531 its reverse (135315040262), we get a palindrome (397355553793).

The spelling of 262040513531 in words is "two hundred sixty-two billion, forty million, five hundred thirteen thousand, five hundred thirty-one".