4255831783517 has 2 divisors, whose sum is σ = 4255831783518. Its totient is φ = 4255831783516.

The previous prime is 4255831783459. The next prime is 4255831783529. The reversal of 4255831783517 is 7153871385524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3594034890436 + 661796893081 = 1895794^2 + 813509^2 .

It is a cyclic number.

It is not a de Polignac number, because 4255831783517 - 2¹⁴ = 4255831767133 is a prime.

It is a super-2 number, since 2×4255831783517² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4255831783597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127915891758 + 2127915891759.

It is an arithmetic number, because the mean of its divisors is an integer number (2127915891759).

Almost surely, 2^{4255831783517} is an apocalyptic number.

It is an amenable number.

4255831783517 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255831783517 is an equidigital number, since it uses as much as digits as its factorization.

4255831783517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224000, while the sum is 59.

The spelling of 4255831783517 in words is "four trillion, two hundred fifty-five billion, eight hundred thirty-one million, seven hundred eighty-three thousand, five hundred seventeen".