3625504540321 has 32 divisors (see below), whose sum is σ = 3761777230848. Its totient is φ = 3492586520640.

The previous prime is 3625504540297. The next prime is 3625504540327. The reversal of 3625504540321 is 1230454055263.

It is not a de Polignac number, because 3625504540321 - 2¹⁹ = 3625504016033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3625504540327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432272490 + ... + 432280876.

It is an arithmetic number, because the mean of its divisors is an integer number (117555538464).

Almost surely, 2^{3625504540321} is an apocalyptic number.

It is an amenable number.

3625504540321 is a deficient number, since it is larger than the sum of its proper divisors (136272690527).

3625504540321 is a wasteful number, since it uses less digits than its factorization.

3625504540321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 3625504540321 its reverse (1230454055263), we get a palindrome (4855958595584).

The spelling of 3625504540321 in words is "three trillion, six hundred twenty-five billion, five hundred four million, five hundred forty thousand, three hundred twenty-one".