4531520525 has 24 divisors (see below), whose sum is σ = 6457336704. Its totient is φ = 3090139200.

The previous prime is 4531520491. The next prime is 4531520549. The reversal of 4531520525 is 5250251354.

It is not a de Polignac number, because 4531520525 - 2⁸ = 4531520269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4531520491 and 4531520500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39857 + ... + 103206.

It is an arithmetic number, because the mean of its divisors is an integer number (269055696).

Almost surely, 2^4531520525 is an apocalyptic number.

It is an amenable number.

4531520525 is a deficient number, since it is larger than the sum of its proper divisors (1925816179).

4531520525 is a wasteful number, since it uses less digits than its factorization.

4531520525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143261 (or 143256 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 4531520525 is about 67316.5694684451. The cubic root of 4531520525 is about 1654.8094175445.

Adding to 4531520525 its reverse (5250251354), we get a palindrome (9781771879).

The spelling of 4531520525 in words is "four billion, five hundred thirty-one million, five hundred twenty thousand, five hundred twenty-five".