516102001 has 2 divisors, whose sum is σ = 516102002. Its totient is φ = 516102000.

The previous prime is 516101987. The next prime is 516102007. The reversal of 516102001 is 100201615.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509675776 + 6426225 = 22576^2 + 2535^2 .

It is a cyclic number.

It is not a de Polignac number, because 516102001 - 2¹¹ = 516099953 is a prime.

It is a super-2 number, since 2×516102001² = 532722550872408002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (516102007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258051000 + 258051001.

It is an arithmetic number, because the mean of its divisors is an integer number (258051001).

Almost surely, 2^516102001 is an apocalyptic number.

It is an amenable number.

516102001 is a deficient number, since it is larger than the sum of its proper divisors (1).

516102001 is an equidigital number, since it uses as much as digits as its factorization.

516102001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 516102001 is about 22717.8784440801. The cubic root of 516102001 is about 802.1307785440.

Adding to 516102001 its reverse (100201615), we get a palindrome (616303616).

The spelling of 516102001 in words is "five hundred sixteen million, one hundred two thousand, one".