262641031 has 2 divisors, whose sum is σ = 262641032. Its totient is φ = 262641030.

The previous prime is 262641013. The next prime is 262641089. The reversal of 262641031 is 130146262.

Together with previous prime (262641013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 262641031 - 2¹⁵ = 262608263 is a prime.

It is a super-2 number, since 2×262641031² = 137960622329485922, which contains 22 as substring.

It is equal to p_14332426 and since 262641031 and 14332426 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 262640987 and 262641005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (262641011) 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, 131320515 + 131320516.

It is an arithmetic number, because the mean of its divisors is an integer number (131320516).

Almost surely, 2^262641031 is an apocalyptic number.

262641031 is a deficient number, since it is larger than the sum of its proper divisors (1).

262641031 is an equidigital number, since it uses as much as digits as its factorization.

262641031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 262641031 is about 16206.2034727446. The cubic root of 262641031 is about 640.4042294947.

Adding to 262641031 its reverse (130146262), we get a palindrome (392787293).

The spelling of 262641031 in words is "two hundred sixty-two million, six hundred forty-one thousand, thirty-one".