3521253064625 has 16 divisors (see below), whose sum is σ = 4395020812416. Its totient is φ = 2816683870000.

The previous prime is 3521253064607. The next prime is 3521253064643. The reversal of 3521253064625 is 5264603521253.

It is an interprime number because it is at equal distance from previous prime (3521253064607) and next prime (3521253064643).

It is not a de Polignac number, because 3521253064625 - 2¹⁴ = 3521253048241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480101 + ... + 2696850.

It is an arithmetic number, because the mean of its divisors is an integer number (274688800776).

Almost surely, 2^{3521253064625} is an apocalyptic number.

It is an amenable number.

3521253064625 is a deficient number, since it is larger than the sum of its proper divisors (873767747791).

3521253064625 is an equidigital number, since it uses as much as digits as its factorization.

3521253064625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185833 (or 3185823 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

Adding to 3521253064625 its reverse (5264603521253), we get a palindrome (8785856585878).

The spelling of 3521253064625 in words is "three trillion, five hundred twenty-one billion, two hundred fifty-three million, sixty-four thousand, six hundred twenty-five".