536325421 has 4 divisors (see below), whose sum is σ = 536374972. Its totient is φ = 536275872.

The previous prime is 536325403. The next prime is 536325443. The reversal of 536325421 is 124523635.

It is a happy number.

It is the 9455-th star number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 124523635 = 5 ⋅24904727.

It can be written as a sum of positive squares in 2 ways, for example, as 391604521 + 144720900 = 19789^2 + 12030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536325421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536325121) 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, 816 + ... + 32761.

It is an arithmetic number, because the mean of its divisors is an integer number (134093743).

Almost surely, 2^536325421 is an apocalyptic number.

It is an amenable number.

536325421 is a deficient number, since it is larger than the sum of its proper divisors (49551).

536325421 is a wasteful number, since it uses less digits than its factorization.

536325421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49550.

The product of its digits is 21600, while the sum is 31.

The square root of 536325421 is about 23158.7007623485. The cubic root of 536325421 is about 812.4739790010.

The spelling of 536325421 in words is "five hundred thirty-six million, three hundred twenty-five thousand, four hundred twenty-one".