533242403 has 4 divisors (see below), whose sum is σ = 534217800. Its totient is φ = 532267008.

The previous prime is 533242399. The next prime is 533242421. The reversal of 533242403 is 304242335.

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

It is a cyclic number.

It is not a de Polignac number, because 533242403 - 2² = 533242399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533242453) 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, 486878 + ... + 487971.

It is an arithmetic number, because the mean of its divisors is an integer number (133554450).

Almost surely, 2^533242403 is an apocalyptic number.

533242403 is a deficient number, since it is larger than the sum of its proper divisors (975397).

533242403 is an equidigital number, since it uses as much as digits as its factorization.

533242403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975396.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 533242403 is about 23092.0419841988. The cubic root of 533242403 is about 810.9141754024.

Adding to 533242403 its reverse (304242335), we get a palindrome (837484738).

The spelling of 533242403 in words is "five hundred thirty-three million, two hundred forty-two thousand, four hundred three".