3725519306 has 4 divisors (see below), whose sum is σ = 5588278962. Its totient is φ = 1862759652.

The previous prime is 3725519293. The next prime is 3725519309. The reversal of 3725519306 is 6039155273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6039155273 = 61757 ⋅97789.

It can be written as a sum of positive squares in only one way, i.e., 1895818681 + 1829700625 = 43541^2 + 42775^2 .

It is not an unprimeable number, because it can be changed into a prime (3725519309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931379825 + ... + 931379828.

Almost surely, 2^3725519306 is an apocalyptic number.

3725519306 is a deficient number, since it is larger than the sum of its proper divisors (1862759656).

3725519306 is a wasteful number, since it uses less digits than its factorization.

3725519306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862759655.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 3725519306 is about 61037.0322509212. The cubic root of 3725519306 is about 1550.2281046189.

The spelling of 3725519306 in words is "three billion, seven hundred twenty-five million, five hundred nineteen thousand, three hundred six".