3925022500 has 135 divisors (see below), whose sum is σ = 10040675799. Its totient is φ = 1338204000.

The previous prime is 3925022447. The next prime is 3925022513. The reversal of 3925022500 is 52205293.

The square root of 3925022500 is 62650.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 307721764 + 3617300736 = 17542^2 + 60144^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 21927411 + ... + 21927589.

Almost surely, 2^3925022500 is an apocalyptic number.

3925022500 is the 62650-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3925022500

3925022500 is an abundant number, since it is smaller than the sum of its proper divisors (6115653299).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3925022500 is an equidigital number, since it uses as much as digits as its factorization.

3925022500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The cubic root of 3925022500 is about 1577.4201476052.

Adding to 3925022500 its reverse (52205293), we get a palindrome (3977227793).

The spelling of 3925022500 in words is "three billion, nine hundred twenty-five million, twenty-two thousand, five hundred".