3665425125 has 16 divisors (see below), whose sum is σ = 6099268032. Its totient is φ = 1954893200.

The previous prime is 3665425123. The next prime is 3665425139. The reversal of 3665425125 is 5215245663.

It is not a de Polignac number, because 3665425125 - 2¹ = 3665425123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665425123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4886859 + ... + 4887608.

It is an arithmetic number, because the mean of its divisors is an integer number (381204252).

Almost surely, 2^3665425125 is an apocalyptic number.

It is an amenable number.

3665425125 is a deficient number, since it is larger than the sum of its proper divisors (2433842907).

3665425125 is an equidigital number, since it uses as much as digits as its factorization.

3665425125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9774485 (or 9774475 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 3665425125 is about 60542.7545210820. The cubic root of 3665425125 is about 1541.8476060660.

The spelling of 3665425125 in words is "three billion, six hundred sixty-five million, four hundred twenty-five thousand, one hundred twenty-five".