534697645 has 8 divisors (see below), whose sum is σ = 641845656. Its totient is φ = 427619136.

The previous prime is 534697637. The next prime is 534697649. The reversal of 534697645 is 546796435.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 366684201 + 168013444 = 19149^2 + 12962^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 534697645 - 2³ = 534697637 is a prime.

It is a super-3 number, since 3×534697645³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534697649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399 + ... + 32731.

It is an arithmetic number, because the mean of its divisors is an integer number (80230707).

Almost surely, 2^534697645 is an apocalyptic number.

It is an amenable number.

534697645 is a deficient number, since it is larger than the sum of its proper divisors (107148011).

534697645 is a wasteful number, since it uses less digits than its factorization.

534697645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34751.

The product of its digits is 2721600, while the sum is 49.

The square root of 534697645 is about 23123.5301154473. The cubic root of 534697645 is about 811.6511788683.

The spelling of 534697645 in words is "five hundred thirty-four million, six hundred ninety-seven thousand, six hundred forty-five".