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1461284863 is a prime number
BaseRepresentation
bin101011100011001…
…0110111111111111
310202211122221222121
41113012112333333
510443042103423
6401000223411
751132500503
oct12706267777
93684587877
101461284863
1168a947a45
1234946ab67
131a39884cc
14dc106303
158844d45d
hex57196fff

1461284863 has 2 divisors, whose sum is σ = 1461284864. Its totient is φ = 1461284862.

The previous prime is 1461284837. The next prime is 1461284887. The reversal of 1461284863 is 3684821641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1461284863 - 25 = 1461284831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461284063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730642431 + 730642432.

It is an arithmetic number, because the mean of its divisors is an integer number (730642432).

Almost surely, 21461284863 is an apocalyptic number.

1461284863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461284863 is an equidigital number, since it uses as much as digits as its factorization.

1461284863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 43.

The square root of 1461284863 is about 38226.7558524131. The cubic root of 1461284863 is about 1134.7798839578.

The spelling of 1461284863 in words is "one billion, four hundred sixty-one million, two hundred eighty-four thousand, eight hundred sixty-three".