1449597481 has 2 divisors, whose sum is σ = 1449597482. Its totient is φ = 1449597480.

The previous prime is 1449597439. The next prime is 1449597521. The reversal of 1449597481 is 1847959441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1358585881 + 91011600 = 36859^2 + 9540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449597481 - 2⁹ = 1449596969 is a prime.

It is a super-2 number, since 2×1449597481² = 4202665713843090722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1449597181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724798740 + 724798741.

It is an arithmetic number, because the mean of its divisors is an integer number (724798741).

Almost surely, 2^1449597481 is an apocalyptic number.

It is an amenable number.

1449597481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449597481 is an equidigital number, since it uses as much as digits as its factorization.

1449597481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The square root of 1449597481 is about 38073.5798290626. The cubic root of 1449597481 is about 1131.7464525663.

The spelling of 1449597481 in words is "one billion, four hundred forty-nine million, five hundred ninety-seven thousand, four hundred eighty-one".