3581405325 has 36 divisors (see below), whose sum is σ = 6693604320. Its totient is φ = 1827033120.

The previous prime is 3581405287. The next prime is 3581405339. The reversal of 3581405325 is 5235041853.

3581405325 is a `hidden beast` number, since 3 + 5 + 81 + 40 + 532 + 5 = 666.

It is not a de Polignac number, because 3581405325 - 2¹⁶ = 3581339789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3581405325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 340855 + ... + 351204.

Almost surely, 2^3581405325 is an apocalyptic number.

It is an amenable number.

3581405325 is a deficient number, since it is larger than the sum of its proper divisors (3112198995).

3581405325 is a wasteful number, since it uses less digits than its factorization.

3581405325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692098 (or 692090 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 3581405325 is about 59844.8437628506. The cubic root of 3581405325 is about 1529.9755538834.

The spelling of 3581405325 in words is "three billion, five hundred eighty-one million, four hundred five thousand, three hundred twenty-five".