533471409 has 9 divisors (see below), whose sum is σ = 770669913. Its totient is φ = 355601412.

The previous prime is 533471387. The next prime is 533471423. The reversal of 533471409 is 904174335.

The square root of 533471409 is 23097.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 533471409 - 2¹¹ = 533469361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (533479409) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65442 + ... + 73140.

Almost surely, 2^533471409 is an apocalyptic number.

533471409 is the 23097-th square number.

533471409 is the 11549-th centered octagonal number.

It is an amenable number.

533471409 is a deficient number, since it is larger than the sum of its proper divisors (237198504).

533471409 is an frugal number, since it uses more digits than its factorization.

533471409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404 (or 7702 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The cubic root of 533471409 is about 811.0302437125.

Multiplying 533471409 by its sum of digits (36), we get a square (19204970724 = 138582²).

It can be divided in two parts, 53347 and 1409, that added together give a square (54756 = 234²).

The spelling of 533471409 in words is "five hundred thirty-three million, four hundred seventy-one thousand, four hundred nine".