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1348438253 is a prime number
BaseRepresentation
bin101000001011111…
…1000100011101101
310110222022202112112
41100113320203231
510230200011003
6341445413405
745262351601
oct12027704355
93428282475
101348438253
11632181688
1231770a265
13186497576
14cb12d501
157d5ac3d8
hex505f88ed

1348438253 has 2 divisors, whose sum is σ = 1348438254. Its totient is φ = 1348438252.

The previous prime is 1348438213. The next prime is 1348438271. The reversal of 1348438253 is 3528348431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149684649 + 198753604 = 33907^2 + 14098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348438253 - 216 = 1348372717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1348438253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348438213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674219126 + 674219127.

It is an arithmetic number, because the mean of its divisors is an integer number (674219127).

Almost surely, 21348438253 is an apocalyptic number.

It is an amenable number.

1348438253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348438253 is an equidigital number, since it uses as much as digits as its factorization.

1348438253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 41.

The square root of 1348438253 is about 36721.0873068868. The cubic root of 1348438253 is about 1104.7830980942.

The spelling of 1348438253 in words is "one billion, three hundred forty-eight million, four hundred thirty-eight thousand, two hundred fifty-three".