Search a number
3555241243 is a prime number
BaseRepresentation
bin1101001111101000…
…1010110100011011
3100011202210222010121
43103322022310123
524240120204433
61344441054111
7154050023551
oct32372126433
910152728117
103555241243
111564928404
12832787337
1344873b558
1425a25bbd1
1515c1bec2d

3555241243 has 2 divisors, whose sum is σ = 3555241244. Its totient is φ = 3555241242.

The previous prime is 3555241211. The next prime is 3555241253. The reversal of 3555241243 is 3421425553.

3555241243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3555241243 - 25 = 3555241211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3555241199 and 3555241208.

It is not a weakly prime, because it can be changed into another prime (3555241253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777620621 + 1777620622.

It is an arithmetic number, because the mean of its divisors is an integer number (1777620622).

Almost surely, 23555241243 is an apocalyptic number.

3555241243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3555241243 is an equidigital number, since it uses as much as digits as its factorization.

3555241243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 34.

The square root of 3555241243 is about 59625.8437508435. The cubic root of 3555241243 is about 1526.2406806551.

Adding to 3555241243 its reverse (3421425553), we get a palindrome (6976666796).

The spelling of 3555241243 in words is "three billion, five hundred fifty-five million, two hundred forty-one thousand, two hundred forty-three".