4645425525 has 72 divisors (see below), whose sum is σ = 8806311360. Its totient is φ = 2152350720.

The previous prime is 4645425511. The next prime is 4645425541. The reversal of 4645425525 is 5255245464.

It is a happy number.

It is not a de Polignac number, because 4645425525 - 2⁹ = 4645425013 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 204696 + ... + 226254.

It is an arithmetic number, because the mean of its divisors is an integer number (122309880).

Almost surely, 2^4645425525 is an apocalyptic number.

It is an amenable number.

4645425525 is a deficient number, since it is larger than the sum of its proper divisors (4160885835).

4645425525 is a wasteful number, since it uses less digits than its factorization.

4645425525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21615 (or 21597 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

The square root of 4645425525 is about 68157.3585535707. The cubic root of 4645425525 is about 1668.5600224190.

The spelling of 4645425525 in words is "four billion, six hundred forty-five million, four hundred twenty-five thousand, five hundred twenty-five".