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1053906881 is a prime number
BaseRepresentation
bin111110110100010…
…101011111000001
32201110010000110012
4332310111133001
54124300010011
6252324514305
735055026546
oct7664253701
92643100405
101053906881
114a09a2925
12254b4b995
1313a462951
149dd80bcd
15627cda8b
hex3ed157c1

1053906881 has 2 divisors, whose sum is σ = 1053906882. Its totient is φ = 1053906880.

The previous prime is 1053906863. The next prime is 1053906883. The reversal of 1053906881 is 1886093501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1052418481 + 1488400 = 32441^2 + 1220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1053906881 is a prime.

It is a super-2 number, since 2×10539068812 = 2221439427638296322, which contains 22 as substring.

Together with 1053906883, 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 (1053906883) 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, 526953440 + 526953441.

It is an arithmetic number, because the mean of its divisors is an integer number (526953441).

Almost surely, 21053906881 is an apocalyptic number.

It is an amenable number.

1053906881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053906881 is an equidigital number, since it uses as much as digits as its factorization.

1053906881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1053906881 is about 32463.9320015306. The cubic root of 1053906881 is about 1017.6554122735.

The spelling of 1053906881 in words is "one billion, fifty-three million, nine hundred six thousand, eight hundred eighty-one".