5651245221 has 8 divisors (see below), whose sum is σ = 7931572320. Its totient is φ = 3569207472.

The previous prime is 5651245219. The next prime is 5651245231. The reversal of 5651245221 is 1225421565.

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

It is not a de Polignac number, because 5651245221 - 2¹ = 5651245219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651245211) 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, 49572270 + ... + 49572383.

It is an arithmetic number, because the mean of its divisors is an integer number (991446540).

Almost surely, 2^5651245221 is an apocalyptic number.

It is an amenable number.

5651245221 is a deficient number, since it is larger than the sum of its proper divisors (2280327099).

5651245221 is a wasteful number, since it uses less digits than its factorization.

5651245221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99144675.

The product of its digits is 24000, while the sum is 33.

The square root of 5651245221 is about 75174.7645224114. The cubic root of 5651245221 is about 1781.2083304404.

Adding to 5651245221 its reverse (1225421565), we get a palindrome (6876666786).

The spelling of 5651245221 in words is "five billion, six hundred fifty-one million, two hundred forty-five thousand, two hundred twenty-one".