537945 has 8 divisors (see below), whose sum is σ = 860736. Its totient is φ = 286896.

The previous prime is 537941. The next prime is 537991. The reversal of 537945 is 549735.

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

It is not a de Polignac number, because 537945 - 2² = 537941 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁵ + 3⁵ + 9⁶ + 7 + 4 + 5⁵ .

537945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (537941) 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, 17917 + ... + 17946.

It is an arithmetic number, because the mean of its divisors is an integer number (107592).

2⁵³⁷⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

537945 is a deficient number, since it is larger than the sum of its proper divisors (322791).

537945 is a wasteful number, since it uses less digits than its factorization.

537945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35871.

The product of its digits is 18900, while the sum is 33.

The square root of 537945 is about 733.4473396230. The cubic root of 537945 is about 81.3290985134.

It can be divided in two parts, 5 and 37945, that added together give a triangular number (37950 = T₂₇₅).

The spelling of 537945 in words is "five hundred thirty-seven thousand, nine hundred forty-five".