1023481897 has 2 divisors, whose sum is σ = 1023481898. Its totient is φ = 1023481896.

The previous prime is 1023481871. The next prime is 1023481903. The reversal of 1023481897 is 7981843201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020227481 + 3254416 = 31941^2 + 1804^2 .

It is an emirp because it is prime and its reverse (7981843201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023481897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023481817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511740948 + 511740949.

It is an arithmetic number, because the mean of its divisors is an integer number (511740949).

Almost surely, 2^1023481897 is an apocalyptic number.

It is an amenable number.

1023481897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023481897 is an equidigital number, since it uses as much as digits as its factorization.

1023481897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1023481897 is about 31991.9036163839. The cubic root of 1023481897 is about 1007.7668193434.

The spelling of 1023481897 in words is "one billion, twenty-three million, four hundred eighty-one thousand, eight hundred ninety-seven".