450062881 has 2 divisors, whose sum is σ = 450062882. Its totient is φ = 450062880.

The previous prime is 450062839. The next prime is 450062887. The reversal of 450062881 is 188260054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231496225 + 218566656 = 15215^2 + 14784^2 .

It is a cyclic number.

It is not a de Polignac number, because 450062881 - 2²¹ = 447965729 is a prime.

It is a super-2 number, since 2×450062881² = 405113193708040322, which contains 22 as substring.

It is equal to p_23856136 and since 450062881 and 23856136 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (450062887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225031440 + 225031441.

It is an arithmetic number, because the mean of its divisors is an integer number (225031441).

Almost surely, 2^450062881 is an apocalyptic number.

It is an amenable number.

450062881 is a deficient number, since it is larger than the sum of its proper divisors (1).

450062881 is an equidigital number, since it uses as much as digits as its factorization.

450062881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 450062881 is about 21214.6855032074. The cubic root of 450062881 is about 766.3451242892.

The spelling of 450062881 in words is "four hundred fifty million, sixty-two thousand, eight hundred eighty-one".