525444550507427 has 4 divisors (see below), whose sum is σ = 542394374717376. Its totient is φ = 508494726297480.

The previous prime is 525444550507421. The next prime is 525444550507477. The reversal of 525444550507427 is 724705055444525.

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 525444550507427 - 2²⁴ = 525444533730211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525444550507421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8474912104928 + ... + 8474912104989.

It is an arithmetic number, because the mean of its divisors is an integer number (135598593679344).

Almost surely, 2^{525444550507427} is an apocalyptic number.

525444550507427 is a deficient number, since it is larger than the sum of its proper divisors (16949824209949).

525444550507427 is a wasteful number, since it uses less digits than its factorization.

525444550507427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16949824209948.

The product of its (nonzero) digits is 156800000, while the sum is 59.

The spelling of 525444550507427 in words is "five hundred twenty-five trillion, four hundred forty-four billion, five hundred fifty million, five hundred seven thousand, four hundred twenty-seven".