262130081 has 2 divisors, whose sum is σ = 262130082. Its totient is φ = 262130080.

The previous prime is 262130069. The next prime is 262130087. The reversal of 262130081 is 180031262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223801600 + 38328481 = 14960^2 + 6191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262130081 is a prime.

It is a super-2 number, since 2×262130081² = 137424358730133122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (262130087) 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, 131065040 + 131065041.

It is an arithmetic number, because the mean of its divisors is an integer number (131065041).

Almost surely, 2^262130081 is an apocalyptic number.

It is an amenable number.

262130081 is a deficient number, since it is larger than the sum of its proper divisors (1).

262130081 is an equidigital number, since it uses as much as digits as its factorization.

262130081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 262130081 is about 16190.4317731183. The cubic root of 262130081 is about 639.9886724883.

The spelling of 262130081 in words is "two hundred sixty-two million, one hundred thirty thousand, eighty-one".