3225453232521 has 32 divisors (see below), whose sum is σ = 4654577112192. Its totient is φ = 1974974722560.

The previous prime is 3225453232489. The next prime is 3225453232559. The reversal of 3225453232521 is 1252323545223.

It is a happy number.

It is not a de Polignac number, because 3225453232521 - 2⁵ = 3225453232489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 3225453232521.

It is not an unprimeable number, because it can be changed into a prime (3225453232591) 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, 32974141 + ... + 33071813.

It is an arithmetic number, because the mean of its divisors is an integer number (145455534756).

Almost surely, 2^{3225453232521} is an apocalyptic number.

It is an amenable number.

3225453232521 is a deficient number, since it is larger than the sum of its proper divisors (1429123879671).

3225453232521 is a wasteful number, since it uses less digits than its factorization.

3225453232521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101913.

The product of its digits is 432000, while the sum is 39.

Adding to 3225453232521 its reverse (1252323545223), we get a palindrome (4477776777744).

The spelling of 3225453232521 in words is "three trillion, two hundred twenty-five billion, four hundred fifty-three million, two hundred thirty-two thousand, five hundred twenty-one".