262042513 has 2 divisors, whose sum is σ = 262042514. Its totient is φ = 262042512.

The previous prime is 262042511. The next prime is 262042523. The reversal of 262042513 is 315240262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159971904 + 102070609 = 12648^2 + 10103^2 .

It is a cyclic number.

It is not a de Polignac number, because 262042513 - 2¹ = 262042511 is a prime.

Together with 262042511, it forms a pair of twin primes.

It is equal to p_14301385 and since 262042513 and 14301385 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (262042511) 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, 131021256 + 131021257.

It is an arithmetic number, because the mean of its divisors is an integer number (131021257).

Almost surely, 2^262042513 is an apocalyptic number.

It is an amenable number.

262042513 is a deficient number, since it is larger than the sum of its proper divisors (1).

262042513 is an equidigital number, since it uses as much as digits as its factorization.

262042513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 262042513 is about 16187.7272339263. The cubic root of 262042513 is about 639.9173990076.

Adding to 262042513 its reverse (315240262), we get a palindrome (577282775).

The spelling of 262042513 in words is "two hundred sixty-two million, forty-two thousand, five hundred thirteen".