4618537925 has 18 divisors (see below), whose sum is σ = 5838170418. Its totient is φ = 3623174880.

The previous prime is 4618537919. The next prime is 4618537927. The reversal of 4618537925 is 5297358164.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 589081441 + 4029456484 = 24271^2 + 63478^2 .

It is not a de Polignac number, because 4618537925 - 2⁴ = 4618537909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4618537927) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2472842 + ... + 2474708.

It is an arithmetic number, because the mean of its divisors is an integer number (324342801).

Almost surely, 2^4618537925 is an apocalyptic number.

It is an amenable number.

4618537925 is a deficient number, since it is larger than the sum of its proper divisors (1219632493).

4618537925 is an frugal number, since it uses more digits than its factorization.

4618537925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797 (or 1925 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 4618537925 is about 67959.8258164336. The cubic root of 4618537925 is about 1665.3345977502.

The spelling of 4618537925 in words is "four billion, six hundred eighteen million, five hundred thirty-seven thousand, nine hundred twenty-five".