525312524323340 has 48 divisors (see below), whose sum is σ = 1239667281494208. Its totient is φ = 185528436681984.

The previous prime is 525312524323339. The next prime is 525312524323361. The reversal of 525312524323340 is 43323425213525.

It is a junction number, because it is equal to n+sod(n) for n = 525312524323291 and 525312524323300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43922445887 + ... + 43922457846.

It is an arithmetic number, because the mean of its divisors is an integer number (25826401697796).

Almost surely, 2^{525312524323340} is an apocalyptic number.

It is an amenable number.

525312524323340 is an abundant number, since it is smaller than the sum of its proper divisors (714354757170868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525312524323340 is a wasteful number, since it uses less digits than its factorization.

525312524323340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87844903778 (or 87844903776 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 44.

Adding to 525312524323340 its reverse (43323425213525), we get a palindrome (568635949536865).

The spelling of 525312524323340 in words is "five hundred twenty-five trillion, three hundred twelve billion, five hundred twenty-four million, three hundred twenty-three thousand, three hundred forty".