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BaseRepresentation
bin101000001000110110101
32110211012002
411001012311
5314042003
644105045
714115362
oct5010665
92424162
101315253
11819195
12535185
13370874
14263469
151aea88
hex1411b5

1315253 has 2 divisors, whose sum is σ = 1315254. Its totient is φ = 1315252.

The previous prime is 1315243. The next prime is 1315283. The reversal of 1315253 is 3525131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908209 + 407044 = 953^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315253 - 28 = 1314997 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657626 + 657627.

It is an arithmetic number, because the mean of its divisors is an integer number (657627).

21315253 is an apocalyptic number.

It is an amenable number.

1315253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315253 is an equidigital number, since it uses as much as digits as its factorization.

1315253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 20.

The square root of 1315253 is about 1146.8448020548. The cubic root of 1315253 is about 109.5644762507.

The spelling of 1315253 in words is "one million, three hundred fifteen thousand, two hundred fifty-three".