2645957825 has 48 divisors (see below), whose sum is σ = 3961889280. Its totient is φ = 1714379520.

The previous prime is 2645957813. The next prime is 2645957827. The reversal of 2645957825 is 5287595462.

It is a happy number.

2645957825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2645957825 - 2¹⁶ = 2645892289 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2645957827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232979 + ... + 244071.

It is an arithmetic number, because the mean of its divisors is an integer number (82539360).

Almost surely, 2^2645957825 is an apocalyptic number.

2645957825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2645957825 is a deficient number, since it is larger than the sum of its proper divisors (1315931455).

2645957825 is a wasteful number, since it uses less digits than its factorization.

2645957825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186 (or 11181 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 53.

The square root of 2645957825 is about 51438.8746474882. The cubic root of 2645957825 is about 1383.1235389333.

The spelling of 2645957825 in words is "two billion, six hundred forty-five million, nine hundred fifty-seven thousand, eight hundred twenty-five".