526325604421 has 4 divisors (see below), whose sum is σ = 530167397292. Its totient is φ = 522483811552.

The previous prime is 526325604377. The next prime is 526325604437. The reversal of 526325604421 is 124406523625.

It is a happy number.

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 334823092321 + 191502512100 = 578639^2 + 437610^2 .

It is a cyclic number.

It is not a de Polignac number, because 526325604421 - 2¹¹ = 526325602373 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 (526325604461) 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, 1920896230 + ... + 1920896503.

It is an arithmetic number, because the mean of its divisors is an integer number (132541849323).

Almost surely, 2^526325604421 is an apocalyptic number.

It is an amenable number.

526325604421 is a deficient number, since it is larger than the sum of its proper divisors (3841792871).

526325604421 is a wasteful number, since it uses less digits than its factorization.

526325604421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841792870.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 526325604421 in words is "five hundred twenty-six billion, three hundred twenty-five million, six hundred four thousand, four hundred twenty-one".