5217731377 has 2 divisors, whose sum is σ = 5217731378. Its totient is φ = 5217731376.

The previous prime is 5217731369. The next prime is 5217731383. The reversal of 5217731377 is 7731377125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3286040976 + 1931690401 = 57324^2 + 43951^2 .

It is a cyclic number.

It is not a de Polignac number, because 5217731377 - 2³ = 5217731369 is a prime.

It is a super-2 number, since 2×5217731377² = 54449441445060632258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5217731317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608865688 + 2608865689.

It is an arithmetic number, because the mean of its divisors is an integer number (2608865689).

Almost surely, 2^5217731377 is an apocalyptic number.

It is an amenable number.

5217731377 is a deficient number, since it is larger than the sum of its proper divisors (1).

5217731377 is an equidigital number, since it uses as much as digits as its factorization.

5217731377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216090, while the sum is 43.

The square root of 5217731377 is about 72233.8658594430. The cubic root of 5217731377 is about 1734.4451577332.

The spelling of 5217731377 in words is "five billion, two hundred seventeen million, seven hundred thirty-one thousand, three hundred seventy-seven".