1485451897 has 2 divisors, whose sum is σ = 1485451898. Its totient is φ = 1485451896.

The previous prime is 1485451859. The next prime is 1485451921. The reversal of 1485451897 is 7981545841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1345715856 + 139736041 = 36684^2 + 11821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485451897 - 2¹⁵ = 1485419129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1485451997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742725948 + 742725949.

It is an arithmetic number, because the mean of its divisors is an integer number (742725949).

Almost surely, 2^1485451897 is an apocalyptic number.

It is an amenable number.

1485451897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485451897 is an equidigital number, since it uses as much as digits as its factorization.

1485451897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 52.

The square root of 1485451897 is about 38541.5606456199. The cubic root of 1485451897 is about 1141.0014532800.

The spelling of 1485451897 in words is "one billion, four hundred eighty-five million, four hundred fifty-one thousand, eight hundred ninety-seven".