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1282252541 is a prime number
BaseRepresentation
bin100110001101101…
…1001111011111101
310022100210011210212
41030123121323331
510111224040131
6331123042205
743526652413
oct11433317375
93270704725
101282252541
115a8886349
122b9510365
13175862c1b
14c24212b3
1577886a2b
hex4c6d9efd

1282252541 has 2 divisors, whose sum is σ = 1282252542. Its totient is φ = 1282252540.

The previous prime is 1282252529. The next prime is 1282252547. The reversal of 1282252541 is 1452522821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1182672100 + 99580441 = 34390^2 + 9979^2 .

It is an emirp because it is prime and its reverse (1452522821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1282252541 - 214 = 1282236157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1282252498 and 1282252507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282252547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641126270 + 641126271.

It is an arithmetic number, because the mean of its divisors is an integer number (641126271).

Almost surely, 21282252541 is an apocalyptic number.

It is an amenable number.

1282252541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282252541 is an equidigital number, since it uses as much as digits as its factorization.

1282252541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12800, while the sum is 32.

The square root of 1282252541 is about 35808.5540199545. The cubic root of 1282252541 is about 1086.4035834931.

The spelling of 1282252541 in words is "one billion, two hundred eighty-two million, two hundred fifty-two thousand, five hundred forty-one".