1047450161 has 2 divisors, whose sum is σ = 1047450162. Its totient is φ = 1047450160.

The previous prime is 1047450133. The next prime is 1047450163. The reversal of 1047450161 is 1610547401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555497761 + 491952400 = 23569^2 + 22180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047450161 - 2⁶ = 1047450097 is a prime.

Together with 1047450163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1047450163) 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, 523725080 + 523725081.

It is an arithmetic number, because the mean of its divisors is an integer number (523725081).

Almost surely, 2^1047450161 is an apocalyptic number.

It is an amenable number.

1047450161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047450161 is an equidigital number, since it uses as much as digits as its factorization.

1047450161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1047450161 is about 32364.3347065871. The cubic root of 1047450161 is about 1015.5729448236.

Adding to 1047450161 its reverse (1610547401), we get a palindrome (2657997562).

The spelling of 1047450161 in words is "one billion, forty-seven million, four hundred fifty thousand, one hundred sixty-one".