3250221505 has 16 divisors (see below), whose sum is σ = 4031437824. Its totient is φ = 2512952640.

The previous prime is 3250221433. The next prime is 3250221539. The reversal of 3250221505 is 5051220523.

It is a happy number.

It is not a de Polignac number, because 3250221505 - 2²¹ = 3248124353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3250221505.

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, 106252 + ... + 133378.

It is an arithmetic number, because the mean of its divisors is an integer number (251964864).

Almost surely, 2^3250221505 is an apocalyptic number.

It is an amenable number.

3250221505 is a deficient number, since it is larger than the sum of its proper divisors (781216319).

3250221505 is a wasteful number, since it uses less digits than its factorization.

3250221505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27936.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 3250221505 is about 57010.7139492219. The cubic root of 3250221505 is about 1481.2816851157.

The spelling of 3250221505 in words is "three billion, two hundred fifty million, two hundred twenty-one thousand, five hundred five".