516246961 has 2 divisors, whose sum is σ = 516246962. Its totient is φ = 516246960.

The previous prime is 516246959. The next prime is 516246989. The reversal of 516246961 is 169642615.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502880625 + 13366336 = 22425^2 + 3656^2 .

It is a cyclic number.

It is not a de Polignac number, because 516246961 - 2¹ = 516246959 is a prime.

Together with 516246959, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (516246911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258123480 + 258123481.

It is an arithmetic number, because the mean of its divisors is an integer number (258123481).

Almost surely, 2^516246961 is an apocalyptic number.

It is an amenable number.

516246961 is a deficient number, since it is larger than the sum of its proper divisors (1).

516246961 is an equidigital number, since it uses as much as digits as its factorization.

516246961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 516246961 is about 22721.0686588461. The cubic root of 516246961 is about 802.2058709306.

It can be divided in two parts, 51624 and 6961, that added together give a palindrome (58585).

The spelling of 516246961 in words is "five hundred sixteen million, two hundred forty-six thousand, nine hundred sixty-one".