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1025330461 is a prime number
BaseRepresentation
bin111101000111010…
…100110100011101
32122110100011222021
4331013110310131
54044441033321
6245424220141
734260110431
oct7507246435
92573304867
101025330461
11486854a51
1224746a651
1313456891c
149a2629c1
1560036941
hex3d1d4d1d

1025330461 has 2 divisors, whose sum is σ = 1025330462. Its totient is φ = 1025330460.

The previous prime is 1025330447. The next prime is 1025330483. The reversal of 1025330461 is 1640335201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866419225 + 158911236 = 29435^2 + 12606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1025330461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025330441) 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, 512665230 + 512665231.

It is an arithmetic number, because the mean of its divisors is an integer number (512665231).

Almost surely, 21025330461 is an apocalyptic number.

It is an amenable number.

1025330461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025330461 is an equidigital number, since it uses as much as digits as its factorization.

1025330461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1025330461 is about 32020.7817050115. The cubic root of 1025330461 is about 1008.3731811556.

Adding to 1025330461 its reverse (1640335201), we get a palindrome (2665665662).

The spelling of 1025330461 in words is "one billion, twenty-five million, three hundred thirty thousand, four hundred sixty-one".