533145623 has 4 divisors (see below), whose sum is σ = 533407368. Its totient is φ = 532883880.

The previous prime is 533145611. The next prime is 533145637. The reversal of 533145623 is 326541335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326541335 = 5 ⋅65308267.

It is a cyclic number.

It is not a de Polignac number, because 533145623 - 2⁴ = 533145607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 533145623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533145023) 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, 127793 + ... + 131898.

It is an arithmetic number, because the mean of its divisors is an integer number (133351842).

Almost surely, 2^533145623 is an apocalyptic number.

533145623 is a deficient number, since it is larger than the sum of its proper divisors (261745).

533145623 is a wasteful number, since it uses less digits than its factorization.

533145623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261744.

The product of its digits is 32400, while the sum is 32.

The square root of 533145623 is about 23089.9463619992. The cubic root of 533145623 is about 810.8651138988.

Adding to 533145623 its reverse (326541335), we get a palindrome (859686958).

The spelling of 533145623 in words is "five hundred thirty-three million, one hundred forty-five thousand, six hundred twenty-three".