534811961 has 2 divisors, whose sum is σ = 534811962. Its totient is φ = 534811960.

The previous prime is 534811873. The next prime is 534811967. The reversal of 534811961 is 169118435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458773561 + 76038400 = 21419^2 + 8720^2 .

It is a cyclic number.

It is not a de Polignac number, because 534811961 - 2¹⁰ = 534810937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (534811967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267405980 + 267405981.

It is an arithmetic number, because the mean of its divisors is an integer number (267405981).

Almost surely, 2^534811961 is an apocalyptic number.

It is an amenable number.

534811961 is a deficient number, since it is larger than the sum of its proper divisors (1).

534811961 is an equidigital number, since it uses as much as digits as its factorization.

534811961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The square root of 534811961 is about 23126.0018377583. The cubic root of 534811961 is about 811.7090172283.

The spelling of 534811961 in words is "five hundred thirty-four million, eight hundred eleven thousand, nine hundred sixty-one".