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1054235641 is a prime number
BaseRepresentation
bin111110110101100…
…101101111111001
32201110201201102111
4332311211233321
54124341020031
6252335532321
735060566204
oct7665455771
92643651374
101054235641
114a10a7928
1225508a0a1
1313a549494
14a002893b
15628461b1
hex3ed65bf9

1054235641 has 2 divisors, whose sum is σ = 1054235642. Its totient is φ = 1054235640.

The previous prime is 1054235639. The next prime is 1054235701. The reversal of 1054235641 is 1465324501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 774008041 + 280227600 = 27821^2 + 16740^2 .

It is an emirp because it is prime and its reverse (1465324501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1054235641 - 21 = 1054235639 is a prime.

It is a super-2 number, since 2×10542356412 = 2222825573509361762, which contains 22 as substring.

Together with 1054235639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1054215641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527117820 + 527117821.

It is an arithmetic number, because the mean of its divisors is an integer number (527117821).

Almost surely, 21054235641 is an apocalyptic number.

It is an amenable number.

1054235641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054235641 is an equidigital number, since it uses as much as digits as its factorization.

1054235641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1054235641 is about 32468.9950722224. The cubic root of 1054235641 is about 1017.7612184622.

The spelling of 1054235641 in words is "one billion, fifty-four million, two hundred thirty-five thousand, six hundred forty-one".