516187741 has 2 divisors, whose sum is σ = 516187742. Its totient is φ = 516187740.

The previous prime is 516187739. The next prime is 516187747. The reversal of 516187741 is 147781615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 484220025 + 31967716 = 22005^2 + 5654^2 .

It is a cyclic number.

It is not a de Polignac number, because 516187741 - 2¹ = 516187739 is a prime.

Together with 516187739, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 516187694 and 516187703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516187747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258093870 + 258093871.

It is an arithmetic number, because the mean of its divisors is an integer number (258093871).

Almost surely, 2^516187741 is an apocalyptic number.

It is an amenable number.

516187741 is a deficient number, since it is larger than the sum of its proper divisors (1).

516187741 is an equidigital number, since it uses as much as digits as its factorization.

516187741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 40.

The square root of 516187741 is about 22719.7654257257. The cubic root of 516187741 is about 802.1751954000.

The spelling of 516187741 in words is "five hundred sixteen million, one hundred eighty-seven thousand, seven hundred forty-one".