475549 has 2 divisors, whose sum is σ = 475550. Its totient is φ = 475548.

The previous prime is 475529. The next prime is 475583. The reversal of 475549 is 945574.

It is an a-pointer prime, because the next prime (475583) can be obtained adding 475549 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 127449 = 590^2 + 357^2 .

It is a cyclic number.

It is not a de Polignac number, because 475549 - 2⁷ = 475421 is a prime.

It is a super-2 number, since 2×475549² = 452293702802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237774 + 237775.

It is an arithmetic number, because the mean of its divisors is an integer number (237775).

2⁴⁷⁵⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

475549 is a deficient number, since it is larger than the sum of its proper divisors (1).

475549 is an equidigital number, since it uses as much as digits as its factorization.

475549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 475549 is about 689.6006090485. The cubic root of 475549 is about 78.0545859415.

It can be divided in two parts, 475 and 549, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 475549 in words is "four hundred seventy-five thousand, five hundred forty-nine".