2445668525 has 6 divisors (see below), whose sum is σ = 3032629002. Its totient is φ = 1956534800.

The previous prime is 2445668507. The next prime is 2445668527. The reversal of 2445668525 is 5258665442.

2445668525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 851822596 + 1593845929 = 29186^2 + 39923^2 .

It is not a de Polignac number, because 2445668525 - 2¹⁴ = 2445652141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2445668525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445668527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48913346 + ... + 48913395.

It is an arithmetic number, because the mean of its divisors is an integer number (505438167).

Almost surely, 2^2445668525 is an apocalyptic number.

2445668525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2445668525 is a deficient number, since it is larger than the sum of its proper divisors (586960477).

2445668525 is an equidigital number, since it uses as much as digits as its factorization.

2445668525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97826751 (or 97826746 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 47.

The square root of 2445668525 is about 49453.7008220821. The cubic root of 2445668525 is about 1347.3048240485.

The spelling of 2445668525 in words is "two billion, four hundred forty-five million, six hundred sixty-eight thousand, five hundred twenty-five".