3245231621 has 8 divisors (see below), whose sum is σ = 3495565824. Its totient is φ = 3004000560.

The previous prime is 3245231617. The next prime is 3245231623. The reversal of 3245231621 is 1261325423.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3245231621 - 2² = 3245231617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245231623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275046 + ... + 2276471.

It is an arithmetic number, because the mean of its divisors is an integer number (436945728).

Almost surely, 2^3245231621 is an apocalyptic number.

3245231621 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3245231621 is a deficient number, since it is larger than the sum of its proper divisors (250334203).

3245231621 is a wasteful number, since it uses less digits than its factorization.

3245231621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551571.

The product of its digits is 8640, while the sum is 29.

The square root of 3245231621 is about 56966.9344532423. The cubic root of 3245231621 is about 1480.5232537754.

The spelling of 3245231621 in words is "three billion, two hundred forty-five million, two hundred thirty-one thousand, six hundred twenty-one".