525105424 has 10 divisors (see below), whose sum is σ = 1017391790. Its totient is φ = 262552704.

The previous prime is 525105419. The next prime is 525105439. The reversal of 525105424 is 424501525.

It can be written as a sum of positive squares in only one way, i.e., 414855424 + 110250000 = 20368^2 + 10500^2 .

It is a junction number, because it is equal to n+sod(n) for n = 525105392 and 525105401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16409529 + ... + 16409560.

It is an arithmetic number, because the mean of its divisors is an integer number (101739179).

Almost surely, 2^525105424 is an apocalyptic number.

It is an amenable number.

525105424 is a deficient number, since it is larger than the sum of its proper divisors (492286366).

525105424 is a wasteful number, since it uses less digits than its factorization.

525105424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32819097 (or 32819091 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 525105424 is about 22915.1788995853. The cubic root of 525105424 is about 806.7683175257.

Adding to 525105424 its reverse (424501525), we get a palindrome (949606949).

The spelling of 525105424 in words is "five hundred twenty-five million, one hundred five thousand, four hundred twenty-four".