534663121 has 2 divisors, whose sum is σ = 534663122. Its totient is φ = 534663120.

The previous prime is 534663119. The next prime is 534663131. The reversal of 534663121 is 121366435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483340225 + 51322896 = 21985^2 + 7164^2 .

It is a cyclic number.

It is not a de Polignac number, because 534663121 - 2¹ = 534663119 is a prime.

Together with 534663119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (534663131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267331560 + 267331561.

It is an arithmetic number, because the mean of its divisors is an integer number (267331561).

Almost surely, 2^534663121 is an apocalyptic number.

It is an amenable number.

534663121 is a deficient number, since it is larger than the sum of its proper divisors (1).

534663121 is an equidigital number, since it uses as much as digits as its factorization.

534663121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 534663121 is about 23122.7835910818. The cubic root of 534663121 is about 811.6337097755.

The spelling of 534663121 in words is "five hundred thirty-four million, six hundred sixty-three thousand, one hundred twenty-one".