Search a number
-
+
2538086461 is a prime number
BaseRepresentation
bin1001011101001000…
…0010000000111101
320112212212011002021
42113102002000331
520144222231321
61055504000141
7116616243661
oct22722020075
96485764067
102538086461
111092757a19
125aa000051
13315aa6011
141a11268a1
15ecc50941
hex9748203d

2538086461 has 2 divisors, whose sum is σ = 2538086462. Its totient is φ = 2538086460.

The previous prime is 2538086399. The next prime is 2538086477. The reversal of 2538086461 is 1646808352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2266331236 + 271755225 = 47606^2 + 16485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2538086461 - 219 = 2537562173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2538086261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269043230 + 1269043231.

It is an arithmetic number, because the mean of its divisors is an integer number (1269043231).

Almost surely, 22538086461 is an apocalyptic number.

It is an amenable number.

2538086461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2538086461 is an equidigital number, since it uses as much as digits as its factorization.

2538086461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2538086461 is about 50379.4249768693. The cubic root of 2538086461 is about 1364.0662724756.

The spelling of 2538086461 in words is "two billion, five hundred thirty-eight million, eighty-six thousand, four hundred sixty-one".