4525312545 has 24 divisors (see below), whose sum is σ = 8447251176. Its totient is φ = 2227845888.

The previous prime is 4525312529. The next prime is 4525312549. The reversal of 4525312545 is 5452135254.

4525312545 is a `hidden beast` number, since 4 + 52 + 53 + 12 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 167728401 + 4357584144 = 12951^2 + 66012^2 .

It is not a de Polignac number, because 4525312545 - 2⁴ = 4525312529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4525312549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3867204 + ... + 3868373.

It is an arithmetic number, because the mean of its divisors is an integer number (351968799).

Almost surely, 2^4525312545 is an apocalyptic number.

4525312545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4525312545 is a deficient number, since it is larger than the sum of its proper divisors (3921938631).

4525312545 is a wasteful number, since it uses less digits than its factorization.

4525312545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735601 (or 7735598 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 4525312545 is about 67270.4433239443. The cubic root of 4525312545 is about 1654.0534006271.

Adding to 4525312545 its reverse (5452135254), we get a palindrome (9977447799).

The spelling of 4525312545 in words is "four billion, five hundred twenty-five million, three hundred twelve thousand, five hundred forty-five".