516401411 has 2 divisors, whose sum is σ = 516401412. Its totient is φ = 516401410.

The previous prime is 516401363. The next prime is 516401423. The reversal of 516401411 is 114104615.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516401411 - 2²² = 512207107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (516401461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258200705 + 258200706.

It is an arithmetic number, because the mean of its divisors is an integer number (258200706).

Almost surely, 2^516401411 is an apocalyptic number.

516401411 is a deficient number, since it is larger than the sum of its proper divisors (1).

516401411 is an equidigital number, since it uses as much as digits as its factorization.

516401411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 516401411 is about 22724.4672324787. The cubic root of 516401411 is about 802.2858638746.

The spelling of 516401411 in words is "five hundred sixteen million, four hundred one thousand, four hundred eleven".