533077421 has 4 divisors (see below), whose sum is σ = 535405500. Its totient is φ = 530749344.

The previous prime is 533077411. The next prime is 533077423. The reversal of 533077421 is 124770335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 441588196 + 91489225 = 21014^2 + 9565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-533077421 is a prime.

It is a super-2 number, since 2×533077421² = 568343073560022482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533077423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163696 + ... + 1164153.

It is an arithmetic number, because the mean of its divisors is an integer number (133851375).

Almost surely, 2^533077421 is an apocalyptic number.

It is an amenable number.

533077421 is a deficient number, since it is larger than the sum of its proper divisors (2328079).

533077421 is a wasteful number, since it uses less digits than its factorization.

533077421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328078.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 533077421 is about 23088.4694382283. The cubic root of 533077421 is about 810.8305361158.

The spelling of 533077421 in words is "five hundred thirty-three million, seventy-seven thousand, four hundred twenty-one".