3725718133 has 2 divisors, whose sum is σ = 3725718134. Its totient is φ = 3725718132.

The previous prime is 3725718119. The next prime is 3725718137. The reversal of 3725718133 is 3318175273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3318566449 + 407151684 = 57607^2 + 20178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3725718133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3725718137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862859066 + 1862859067.

It is an arithmetic number, because the mean of its divisors is an integer number (1862859067).

Almost surely, 2^3725718133 is an apocalyptic number.

It is an amenable number.

3725718133 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725718133 is an equidigital number, since it uses as much as digits as its factorization.

3725718133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 3725718133 is about 61038.6609699132. The cubic root of 3725718133 is about 1550.2556821363.

The spelling of 3725718133 in words is "three billion, seven hundred twenty-five million, seven hundred eighteen thousand, one hundred thirty-three".