Search a number
-
+
2572687541 is a prime number
BaseRepresentation
bin1001100101011000…
…0001100010110101
320122021222001211202
42121112001202311
520232102000131
61103141342245
7120516324524
oct23126014265
96567861752
102572687541
111100240256
125b9707985
1331cccc328
141a59724bb
15100cd7bcb
hex995818b5

2572687541 has 2 divisors, whose sum is σ = 2572687542. Its totient is φ = 2572687540.

The previous prime is 2572687531. The next prime is 2572687543. The reversal of 2572687541 is 1457862752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1954966225 + 617721316 = 44215^2 + 24854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2572687541 is a prime.

Together with 2572687543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2572687543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286343770 + 1286343771.

It is an arithmetic number, because the mean of its divisors is an integer number (1286343771).

Almost surely, 22572687541 is an apocalyptic number.

It is an amenable number.

2572687541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572687541 is an equidigital number, since it uses as much as digits as its factorization.

2572687541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 47.

The square root of 2572687541 is about 50721.6673720413. The cubic root of 2572687541 is about 1370.2369705702.

The spelling of 2572687541 in words is "two billion, five hundred seventy-two million, six hundred eighty-seven thousand, five hundred forty-one".