532645 has 8 divisors (see below), whose sum is σ = 643104. Its totient is φ = 423504.

The previous prime is 532639. The next prime is 532663. The reversal of 532645 is 546235.

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 532645 - 2¹¹ = 530597 is a prime.

It is a Duffinian number.

532645 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (80388).

2⁵³²⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

532645 is a deficient number, since it is larger than the sum of its proper divisors (110459).

532645 is a wasteful number, since it uses less digits than its factorization.

532645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659.

The product of its digits is 3600, while the sum is 25.

The square root of 532645 is about 729.8253215667. The cubic root of 532645 is about 81.0611234012.

It can be divided in two parts, 53 and 2645, that multiplied together give a triangular number (140185 = T₅₂₉).

The spelling of 532645 in words is "five hundred thirty-two thousand, six hundred forty-five".