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1043485397 is a prime number
BaseRepresentation
bin111110001100100…
…101001011010101
32200201111112212022
4332030211023111
54114113013042
6251313302525
734600323323
oct7614451325
92621445768
101043485397
11496025029
12251564a45
131382542a6
149c82ad13
1561920cd2
hex3e3252d5

1043485397 has 2 divisors, whose sum is σ = 1043485398. Its totient is φ = 1043485396.

The previous prime is 1043485393. The next prime is 1043485409. The reversal of 1043485397 is 7935843401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931104196 + 112381201 = 30514^2 + 10601^2 .

It is an emirp because it is prime and its reverse (7935843401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1043485397 - 22 = 1043485393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043485393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521742698 + 521742699.

It is an arithmetic number, because the mean of its divisors is an integer number (521742699).

Almost surely, 21043485397 is an apocalyptic number.

It is an amenable number.

1043485397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043485397 is an equidigital number, since it uses as much as digits as its factorization.

1043485397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 1043485397 is about 32303.0245797510. The cubic root of 1043485397 is about 1014.2899567850.

The spelling of 1043485397 in words is "one billion, forty-three million, four hundred eighty-five thousand, three hundred ninety-seven".