534042661 has 2 divisors, whose sum is σ = 534042662. Its totient is φ = 534042660.

The previous prime is 534042563. The next prime is 534042703. The reversal of 534042661 is 166240435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360620100 + 173422561 = 18990^2 + 13169^2 .

It is a cyclic number.

It is not a de Polignac number, because 534042661 - 2⁹ = 534042149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534442661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267021330 + 267021331.

It is an arithmetic number, because the mean of its divisors is an integer number (267021331).

Almost surely, 2^534042661 is an apocalyptic number.

It is an amenable number.

534042661 is a deficient number, since it is larger than the sum of its proper divisors (1).

534042661 is an equidigital number, since it uses as much as digits as its factorization.

534042661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 534042661 is about 23109.3630591585. The cubic root of 534042661 is about 811.3196296527.

It can be divided in two parts, 53404 and 2661, that added together give a palindrome (56065).

The spelling of 534042661 in words is "five hundred thirty-four million, forty-two thousand, six hundred sixty-one".