475509537 has 24 divisors (see below), whose sum is σ = 695638944. Its totient is φ = 312971904.

The previous prime is 475509493. The next prime is 475509547. The reversal of 475509537 is 735905574.

475509537 is a `hidden beast` number, since 4 + 7 + 550 + 95 + 3 + 7 = 666.

It is not a de Polignac number, because 475509537 - 2¹¹ = 475507489 is a prime.

It is a super-2 number, since 2×475509537² = 452218639555908738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 475509492 and 475509501.

It is not an unprimeable number, because it can be changed into a prime (475509547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311458 + ... + 312980.

It is an arithmetic number, because the mean of its divisors is an integer number (28984956).

Almost surely, 2^475509537 is an apocalyptic number.

It is an amenable number.

475509537 is a deficient number, since it is larger than the sum of its proper divisors (220129407).

475509537 is a wasteful number, since it uses less digits than its factorization.

475509537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The square root of 475509537 is about 21806.1811649816. The cubic root of 475509537 is about 780.5242678561.

The spelling of 475509537 in words is "four hundred seventy-five million, five hundred nine thousand, five hundred thirty-seven".