534228661 has 2 divisors, whose sum is σ = 534228662. Its totient is φ = 534228660.

The previous prime is 534228577. The next prime is 534228677. The reversal of 534228661 is 166822435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428241636 + 105987025 = 20694^2 + 10295^2 .

It is a cyclic number.

It is not a de Polignac number, because 534228661 - 2¹¹ = 534226613 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 534228661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534228161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267114330 + 267114331.

It is an arithmetic number, because the mean of its divisors is an integer number (267114331).

Almost surely, 2^534228661 is an apocalyptic number.

It is an amenable number.

534228661 is a deficient number, since it is larger than the sum of its proper divisors (1).

534228661 is an equidigital number, since it uses as much as digits as its factorization.

534228661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 534228661 is about 23113.3870516634. The cubic root of 534228661 is about 811.4138093541.

The spelling of 534228661 in words is "five hundred thirty-four million, two hundred twenty-eight thousand, six hundred sixty-one".