1465894081 has 2 divisors, whose sum is σ = 1465894082. Its totient is φ = 1465894080.

The previous prime is 1465894069. The next prime is 1465894091. The reversal of 1465894081 is 1804985641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836135056 + 629759025 = 28916^2 + 25095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1465894081 - 2⁷ = 1465893953 is a prime.

It is a super-2 number, since 2×1465894081² = 4297690913421669122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1465894051) 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, 732947040 + 732947041.

It is an arithmetic number, because the mean of its divisors is an integer number (732947041).

Almost surely, 2^1465894081 is an apocalyptic number.

It is an amenable number.

1465894081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1465894081 is an equidigital number, since it uses as much as digits as its factorization.

1465894081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 1465894081 is about 38286.9962389321. The cubic root of 1465894081 is about 1135.9717478860.

The spelling of 1465894081 in words is "one billion, four hundred sixty-five million, eight hundred ninety-four thousand, eighty-one".