202325542421 has 4 divisors (see below), whose sum is σ = 212974255200. Its totient is φ = 191676829644.

The previous prime is 202325542387. The next prime is 202325542451. The reversal of 202325542421 is 124245523202.

202325542421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202325542421 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 (202325542451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5324356361 + ... + 5324356398.

It is an arithmetic number, because the mean of its divisors is an integer number (53243563800).

Almost surely, 2^202325542421 is an apocalyptic number.

It is an amenable number.

202325542421 is a deficient number, since it is larger than the sum of its proper divisors (10648712779).

202325542421 is a wasteful number, since it uses less digits than its factorization.

202325542421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648712778.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 202325542421 in words is "two hundred two billion, three hundred twenty-five million, five hundred forty-two thousand, four hundred twenty-one".