451159081 has 2 divisors, whose sum is σ = 451159082. Its totient is φ = 451159080.

The previous prime is 451159043. The next prime is 451159097. The reversal of 451159081 is 180951154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317409856 + 133749225 = 17816^2 + 11565^2 .

It is a cyclic number.

It is not a de Polignac number, because 451159081 - 2²¹ = 449061929 is a prime.

It is a super-2 number, since 2×451159081² = 407089032737529122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (451159031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225579540 + 225579541.

It is an arithmetic number, because the mean of its divisors is an integer number (225579541).

Almost surely, 2^451159081 is an apocalyptic number.

It is an amenable number.

451159081 is a deficient number, since it is larger than the sum of its proper divisors (1).

451159081 is an equidigital number, since it uses as much as digits as its factorization.

451159081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 451159081 is about 21240.5056672387. The cubic root of 451159081 is about 766.9668051273.

The spelling of 451159081 in words is "four hundred fifty-one million, one hundred fifty-nine thousand, eighty-one".