262957081 has 2 divisors, whose sum is σ = 262957082. Its totient is φ = 262957080.

The previous prime is 262957073. The next prime is 262957087. The reversal of 262957081 is 180759262.

262957081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236083225 + 26873856 = 15365^2 + 5184^2 .

It is a cyclic number.

It is not a de Polignac number, because 262957081 - 2³ = 262957073 is a prime.

It is a super-2 number, since 2×262957081² = 138292852896081122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (262957087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131478540 + 131478541.

It is an arithmetic number, because the mean of its divisors is an integer number (131478541).

Almost surely, 2^262957081 is an apocalyptic number.

It is an amenable number.

262957081 is a deficient number, since it is larger than the sum of its proper divisors (1).

262957081 is an equidigital number, since it uses as much as digits as its factorization.

262957081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 262957081 is about 16215.9514367798. The cubic root of 262957081 is about 640.6610040792.

The spelling of 262957081 in words is "two hundred sixty-two million, nine hundred fifty-seven thousand, eighty-one".