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2125135253 is a prime number
BaseRepresentation
bin111111010101010…
…1111110110010101
312111002211001112002
41332222233312111
513323013312003
6550513005045
7103443231413
oct17652576625
95432731462
102125135253
119a064662a
124b3853785
1327b37b7a7
141623502b3
15c687ea88
hex7eaafd95

2125135253 has 2 divisors, whose sum is σ = 2125135254. Its totient is φ = 2125135252.

The previous prime is 2125135231. The next prime is 2125135261. The reversal of 2125135253 is 3525315212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1181846884 + 943288369 = 34378^2 + 30713^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125135253 - 212 = 2125131157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125137253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062567626 + 1062567627.

It is an arithmetic number, because the mean of its divisors is an integer number (1062567627).

Almost surely, 22125135253 is an apocalyptic number.

It is an amenable number.

2125135253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125135253 is an equidigital number, since it uses as much as digits as its factorization.

2125135253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 2125135253 is about 46099.1892878823. The cubic root of 2125135253 is about 1285.6680711072.

The spelling of 2125135253 in words is "two billion, one hundred twenty-five million, one hundred thirty-five thousand, two hundred fifty-three".