533649441 has 12 divisors (see below), whose sum is σ = 770476848. Its totient is φ = 328399344.

The previous prime is 533649373. The next prime is 533649547. The reversal of 533649441 is 144946335.

It is not a de Polignac number, because 533649441 - 2⁷ = 533649313 is a prime.

It is a super-2 number, since 2×533649441² = 569563451759224962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 533649441.

It is not an unprimeable number, because it can be changed into a prime (533649241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525775 + ... + 526788.

It is an arithmetic number, because the mean of its divisors is an integer number (64206404).

Almost surely, 2^533649441 is an apocalyptic number.

It is an amenable number.

533649441 is a deficient number, since it is larger than the sum of its proper divisors (236827407).

533649441 is a wasteful number, since it uses less digits than its factorization.

533649441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052592 (or 1052579 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 533649441 is about 23100.8536855243. The cubic root of 533649441 is about 811.1204536562.

The spelling of 533649441 in words is "five hundred thirty-three million, six hundred forty-nine thousand, four hundred forty-one".