514795661 has 2 divisors, whose sum is σ = 514795662. Its totient is φ = 514795660.

The previous prime is 514795657. The next prime is 514795711. The reversal of 514795661 is 166597415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 513928900 + 866761 = 22670^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 514795661 - 2² = 514795657 is a prime.

It is a Chen prime.

It is equal to p_27092987 and since 514795661 and 27092987 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514795261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257397830 + 257397831.

It is an arithmetic number, because the mean of its divisors is an integer number (257397831).

Almost surely, 2^514795661 is an apocalyptic number.

It is an amenable number.

514795661 is a deficient number, since it is larger than the sum of its proper divisors (1).

514795661 is an equidigital number, since it uses as much as digits as its factorization.

514795661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 514795661 is about 22689.1088630647. The cubic root of 514795661 is about 801.4534312603.

The spelling of 514795661 in words is "five hundred fourteen million, seven hundred ninety-five thousand, six hundred sixty-one".