3725507447 has 2 divisors, whose sum is σ = 3725507448. Its totient is φ = 3725507446.

The previous prime is 3725507437. The next prime is 3725507453. The reversal of 3725507447 is 7447055273.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3725507447 - 2⁴ = 3725507431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3725507398 and 3725507407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3725507437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862753723 + 1862753724.

It is an arithmetic number, because the mean of its divisors is an integer number (1862753724).

Almost surely, 2^3725507447 is an apocalyptic number.

3725507447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725507447 is an equidigital number, since it uses as much as digits as its factorization.

3725507447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 823200, while the sum is 44.

The square root of 3725507447 is about 61036.9351049019. The cubic root of 3725507447 is about 1550.2264597319.

The spelling of 3725507447 in words is "three billion, seven hundred twenty-five million, five hundred seven thousand, four hundred forty-seven".