525501430 has 16 divisors (see below), whose sum is σ = 995687280. Its totient is φ = 199137312.

The previous prime is 525501421. The next prime is 525501439. The reversal of 525501430 is 34105525.

It is an interprime number because it is at equal distance from previous prime (525501421) and next prime (525501439).

It is a junction number, because it is equal to n+sod(n) for n = 525501395 and 525501404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525501439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382709 + ... + 1383088.

It is an arithmetic number, because the mean of its divisors is an integer number (62230455).

Almost surely, 2^525501430 is an apocalyptic number.

525501430 is a deficient number, since it is larger than the sum of its proper divisors (470185850).

525501430 is a wasteful number, since it uses less digits than its factorization.

525501430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765823.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 525501430 is about 22923.8179629834. The cubic root of 525501430 is about 806.9710735189.

Adding to 525501430 its reverse (34105525), we get a palindrome (559606955).

The spelling of 525501430 in words is "five hundred twenty-five million, five hundred one thousand, four hundred thirty".