3725549897 has 2 divisors, whose sum is σ = 3725549898. Its totient is φ = 3725549896.

The previous prime is 3725549809. The next prime is 3725549917. The reversal of 3725549897 is 7989455273.

3725549897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3435835456 + 289714441 = 58616^2 + 17021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3725549897 is a prime.

It is not a weakly prime, because it can be changed into another prime (3725749897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862774948 + 1862774949.

It is an arithmetic number, because the mean of its divisors is an integer number (1862774949).

Almost surely, 2^3725549897 is an apocalyptic number.

It is an amenable number.

3725549897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725549897 is an equidigital number, since it uses as much as digits as its factorization.

3725549897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 59.

The square root of 3725549897 is about 61037.2828441765. The cubic root of 3725549897 is about 1550.2323476871.

The spelling of 3725549897 in words is "three billion, seven hundred twenty-five million, five hundred forty-nine thousand, eight hundred ninety-seven".