534859631 has 2 divisors, whose sum is σ = 534859632. Its totient is φ = 534859630.

The previous prime is 534859613. The next prime is 534859643. The reversal of 534859631 is 136958435.

Together with previous prime (534859613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-534859631 is a prime.

It is a super-2 number, since 2×534859631² = 572149649746912322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534859691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267429815 + 267429816.

It is an arithmetic number, because the mean of its divisors is an integer number (267429816).

Almost surely, 2^534859631 is an apocalyptic number.

534859631 is a deficient number, since it is larger than the sum of its proper divisors (1).

534859631 is an equidigital number, since it uses as much as digits as its factorization.

534859631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 534859631 is about 23127.0324728444. The cubic root of 534859631 is about 811.7331335047.

The spelling of 534859631 in words is "five hundred thirty-four million, eight hundred fifty-nine thousand, six hundred thirty-one".