526020427 has 4 divisors (see below), whose sum is σ = 531443416. Its totient is φ = 520597440.

The previous prime is 526020371. The next prime is 526020457. The reversal of 526020427 is 724020625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-526020427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 526020395 and 526020404.

It is not an unprimeable number, because it can be changed into a prime (526020457) 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, 2711349 + ... + 2711542.

It is an arithmetic number, because the mean of its divisors is an integer number (132860854).

Almost surely, 2^526020427 is an apocalyptic number.

526020427 is a deficient number, since it is larger than the sum of its proper divisors (5422989).

526020427 is an equidigital number, since it uses as much as digits as its factorization.

526020427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422988.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 526020427 is about 22935.1352077985. The cubic root of 526020427 is about 807.2366470205.

The spelling of 526020427 in words is "five hundred twenty-six million, twenty thousand, four hundred twenty-seven".