534649 has 2 divisors, whose sum is σ = 534650. Its totient is φ = 534648.

The previous prime is 534647. The next prime is 534659. The reversal of 534649 is 946435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291600 + 243049 = 540^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 534649 - 2¹ = 534647 is a prime.

It is a super-3 number, since 3×534649³ = 458487533308084347, which contains 333 as substring.

Together with 534647, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 5⁵ + 3¹² + 6 + 4 + 4³ + 9 .

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 534649.

It is not a weakly prime, because it can be changed into another prime (534647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267324 + 267325.

It is an arithmetic number, because the mean of its divisors is an integer number (267325).

2⁵³⁴⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

534649 is a deficient number, since it is larger than the sum of its proper divisors (1).

534649 is an equidigital number, since it uses as much as digits as its factorization.

534649 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 534649 is about 731.1969638887. The cubic root of 534649 is about 81.1626564354.

The spelling of 534649 in words is "five hundred thirty-four thousand, six hundred forty-nine".