3965026725 has 144 divisors (see below), whose sum is σ = 7984738944. Its totient is φ = 1864512000.

The previous prime is 3965026717. The next prime is 3965026727. The reversal of 3965026725 is 5276205693.

It is not a de Polignac number, because 3965026725 - 2³ = 3965026717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965026727) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21906135 + ... + 21906315.

It is an arithmetic number, because the mean of its divisors is an integer number (55449576).

Almost surely, 2^3965026725 is an apocalyptic number.

It is an amenable number.

3965026725 is an abundant number, since it is smaller than the sum of its proper divisors (4019712219).

3965026725 is a wasteful number, since it uses less digits than its factorization.

3965026725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 3965026725 is about 62968.4581755024. The cubic root of 3965026725 is about 1582.7611183116.

The spelling of 3965026725 in words is "three billion, nine hundred sixty-five million, twenty-six thousand, seven hundred twenty-five".