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1045521461 is a prime number
BaseRepresentation
bin111110010100010…
…110010000110101
32200212022222211002
4332110112100311
54120123141321
6251425053045
734623533345
oct7624262065
92625288732
101045521461
11497195826
12252187185
131387b7c6a
149cbdad25
1561bc420b
hex3e516435

1045521461 has 2 divisors, whose sum is σ = 1045521462. Its totient is φ = 1045521460.

The previous prime is 1045521409. The next prime is 1045521467. The reversal of 1045521461 is 1641255401.

1045521461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1035874225 + 9647236 = 32185^2 + 3106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1045521461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045521467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522760730 + 522760731.

It is an arithmetic number, because the mean of its divisors is an integer number (522760731).

Almost surely, 21045521461 is an apocalyptic number.

It is an amenable number.

1045521461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045521461 is an equidigital number, since it uses as much as digits as its factorization.

1045521461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1045521461 is about 32334.5242890629. The cubic root of 1045521461 is about 1014.9492273211.

Adding to 1045521461 its reverse (1641255401), we get a palindrome (2686776862).

The spelling of 1045521461 in words is "one billion, forty-five million, five hundred twenty-one thousand, four hundred sixty-one".