520624426025 has 24 divisors (see below), whose sum is σ = 704388770400. Its totient is φ = 378568252800.

The previous prime is 520624425973. The next prime is 520624426033.

520624426025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520624426025 - 2¹⁸ = 520624163881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520624426025.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1398086 + ... + 1730864.

It is an arithmetic number, because the mean of its divisors is an integer number (29349532100).

Almost surely, 2^520624426025 is an apocalyptic number.

520624426025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520624426025 is a deficient number, since it is larger than the sum of its proper divisors (183764344375).

520624426025 is a wasteful number, since it uses less digits than its factorization.

520624426025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338489 (or 338484 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

It can be divided in two parts, 520624 and 426025, that added together give a palindrome (946649).

The spelling of 520624426025 in words is "five hundred twenty billion, six hundred twenty-four million, four hundred twenty-six thousand, twenty-five".