3153254221 has 6 divisors (see below), whose sum is σ = 3414470730. Its totient is φ = 2910696048.

The previous prime is 3153254213. The next prime is 3153254227. The reversal of 3153254221 is 1224523513.

It can be written as a sum of positive squares in 3 ways, for example, as 4473225 + 3148780996 = 2115^2 + 56114^2 .

It is not a de Polignac number, because 3153254221 - 2³ = 3153254213 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 3153254221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3153254227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9328986 + ... + 9329323.

It is an arithmetic number, because the mean of its divisors is an integer number (569078455).

Almost surely, 2^3153254221 is an apocalyptic number.

It is an amenable number.

3153254221 is a deficient number, since it is larger than the sum of its proper divisors (261216509).

3153254221 is a wasteful number, since it uses less digits than its factorization.

3153254221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18658335 (or 18658322 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 3153254221 is about 56153.8442228135. The cubic root of 3153254221 is about 1466.4018344544.

Adding to 3153254221 its reverse (1224523513), we get a palindrome (4377777734).

The spelling of 3153254221 in words is "three billion, one hundred fifty-three million, two hundred fifty-four thousand, two hundred twenty-one".