3525015523821 has 36 divisors (see below), whose sum is σ = 5309538224256. Its totient is φ = 2078632939680.

The previous prime is 3525015523721. The next prime is 3525015523853. The reversal of 3525015523821 is 1283255105253.

It is not a de Polignac number, because 3525015523821 - 2¹³ = 3525015515629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525015523721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3049725 + ... + 4043618.

It is an arithmetic number, because the mean of its divisors is an integer number (147487172896).

Almost surely, 2^{3525015523821} is an apocalyptic number.

It is an amenable number.

3525015523821 is a deficient number, since it is larger than the sum of its proper divisors (1784522700435).

3525015523821 is a wasteful number, since it uses less digits than its factorization.

3525015523821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093442 (or 7093394 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 3525015523821 in words is "three trillion, five hundred twenty-five billion, fifteen million, five hundred twenty-three thousand, eight hundred twenty-one".