466138081 has 2 divisors, whose sum is σ = 466138082. Its totient is φ = 466138080.

The previous prime is 466138037. The next prime is 466138087. The reversal of 466138081 is 180831664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432265681 + 33872400 = 20791^2 + 5820^2 .

It is a cyclic number.

It is not a de Polignac number, because 466138081 - 2⁷ = 466137953 is a prime.

It is a super-2 number, since 2×466138081² = 434569421116725122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 466138081.

It is not a weakly prime, because it can be changed into another prime (466138087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233069040 + 233069041.

It is an arithmetic number, because the mean of its divisors is an integer number (233069041).

Almost surely, 2^466138081 is an apocalyptic number.

It is an amenable number.

466138081 is a deficient number, since it is larger than the sum of its proper divisors (1).

466138081 is an equidigital number, since it uses as much as digits as its factorization.

466138081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 466138081 is about 21590.2311474426. The cubic root of 466138081 is about 775.3626223941.

The spelling of 466138081 in words is "four hundred sixty-six million, one hundred thirty-eight thousand, eighty-one".