3581243325 has 72 divisors (see below), whose sum is σ = 7012586880. Its totient is φ = 1732627200.

The previous prime is 3581243311. The next prime is 3581243339. The reversal of 3581243325 is 5233421853.

3581243325 is a `hidden beast` number, since 3 + 581 + 2 + 43 + 32 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (3581243311) and next prime (3581243339).

It is not a de Polignac number, because 3581243325 - 2¹⁷ = 3581112253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3581243325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1407004 + ... + 1409546.

It is an arithmetic number, because the mean of its divisors is an integer number (97397040).

Almost surely, 2^3581243325 is an apocalyptic number.

It is an amenable number.

3581243325 is a deficient number, since it is larger than the sum of its proper divisors (3431343555).

3581243325 is a wasteful number, since it uses less digits than its factorization.

3581243325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139 (or 3131 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 3581243325 is about 59843.4902474780. The cubic root of 3581243325 is about 1529.9524847476.

The spelling of 3581243325 in words is "three billion, five hundred eighty-one million, two hundred forty-three thousand, three hundred twenty-five".