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1253430041 is a prime number
BaseRepresentation
bin100101010110101…
…1101001100011001
310020100112211202212
41022231131030121
510031334230131
6324213204505
743026656663
oct11255351431
93210484685
101253430041
1159358a5a6
122ab930735
1316c8b0ba6
14bc67b533
1575091a2b
hex4ab5d319

1253430041 has 2 divisors, whose sum is σ = 1253430042. Its totient is φ = 1253430040.

The previous prime is 1253429999. The next prime is 1253430047. The reversal of 1253430041 is 1400343521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 796368400 + 457061641 = 28220^2 + 21379^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253430041 - 26 = 1253429977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253429989 and 1253430016.

It is not a weakly prime, because it can be changed into another prime (1253430047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626715020 + 626715021.

It is an arithmetic number, because the mean of its divisors is an integer number (626715021).

Almost surely, 21253430041 is an apocalyptic number.

It is an amenable number.

1253430041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253430041 is an equidigital number, since it uses as much as digits as its factorization.

1253430041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1253430041 is about 35403.8139329649. The cubic root of 1253430041 is about 1078.2017517253.

Adding to 1253430041 its reverse (1400343521), we get a palindrome (2653773562).

The spelling of 1253430041 in words is "one billion, two hundred fifty-three million, four hundred thirty thousand, forty-one".