Search a number
-
+
4205253457 is a prime number
BaseRepresentation
bin1111101010100111…
…0001001101010001
3101212001221000021001
43322221301031101
532103021102312
61533141102001
7206132031106
oct37251611521
911761830231
104205253457
111868835189
129943b7901
135202c7c72
142bc702aad
151992bb057
hexfaa71351

4205253457 has 2 divisors, whose sum is σ = 4205253458. Its totient is φ = 4205253456.

The previous prime is 4205253449. The next prime is 4205253487. The reversal of 4205253457 is 7543525024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3638623041 + 566630416 = 60321^2 + 23804^2 .

It is a cyclic number.

It is not a de Polignac number, because 4205253457 - 23 = 4205253449 is a prime.

It is a super-2 number, since 2×42052534572 = 35368313275220901698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4205253487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2102626728 + 2102626729.

It is an arithmetic number, because the mean of its divisors is an integer number (2102626729).

Almost surely, 24205253457 is an apocalyptic number.

It is an amenable number.

4205253457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4205253457 is an equidigital number, since it uses as much as digits as its factorization.

4205253457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 37.

The square root of 4205253457 is about 64847.9256183265. The cubic root of 4205253457 is about 1614.1010703455.

The spelling of 4205253457 in words is "four billion, two hundred five million, two hundred fifty-three thousand, four hundred fifty-seven".