1350450581 has 2 divisors, whose sum is σ = 1350450582. Its totient is φ = 1350450580.

The previous prime is 1350450553. The next prime is 1350450583. The reversal of 1350450581 is 1850540531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1054300900 + 296149681 = 32470^2 + 17209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1350450581 is a prime.

It is a super-2 number, since 2×1350450581² = 3647433543446475122, which contains 22 as substring.

Together with 1350450583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350450583) 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, 675225290 + 675225291.

It is an arithmetic number, because the mean of its divisors is an integer number (675225291).

Almost surely, 2^1350450581 is an apocalyptic number.

It is an amenable number.

1350450581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350450581 is an equidigital number, since it uses as much as digits as its factorization.

1350450581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1350450581 is about 36748.4772609696. The cubic root of 1350450581 is about 1105.3323955146.

The spelling of 1350450581 in words is "one billion, three hundred fifty million, four hundred fifty thousand, five hundred eighty-one".