537285609 has 16 divisors (see below), whose sum is σ = 909690240. Its totient is φ = 307020240.

The previous prime is 537285601. The next prime is 537285611. The reversal of 537285609 is 906582735.

It is a happy number.

537285609 is a `hidden beast` number, since 5 + 37 + 2 + 8 + 5 + 609 = 666.

It is not a de Polignac number, because 537285609 - 2³ = 537285601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537285601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421202 + ... + 1421579.

It is an arithmetic number, because the mean of its divisors is an integer number (56855640).

Almost surely, 2^537285609 is an apocalyptic number.

It is an amenable number.

537285609 is a deficient number, since it is larger than the sum of its proper divisors (372404631).

537285609 is a wasteful number, since it uses less digits than its factorization.

537285609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842797 (or 2842791 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 537285609 is about 23179.4221023735. The cubic root of 537285609 is about 812.9585496494.

It can be divided in two parts, 537 and 285609, that added together give a triangular number (286146 = T₇₅₆).

The spelling of 537285609 in words is "five hundred thirty-seven million, two hundred eighty-five thousand, six hundred nine".