5403151221 has 24 divisors (see below), whose sum is σ = 7848978336. Its totient is φ = 3304566720.

The previous prime is 5403151219. The next prime is 5403151267. The reversal of 5403151221 is 1221513045.

It is a happy number.

It is not a de Polignac number, because 5403151221 - 2¹ = 5403151219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5403151191 and 5403151200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5403151291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49951 + ... + 115331.

It is an arithmetic number, because the mean of its divisors is an integer number (327040764).

Almost surely, 2^5403151221 is an apocalyptic number.

It is an amenable number.

5403151221 is a deficient number, since it is larger than the sum of its proper divisors (2445827115).

5403151221 is a wasteful number, since it uses less digits than its factorization.

5403151221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65573 (or 65560 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5403151221 is about 73506.1304994352. The cubic root of 5403151221 is about 1754.7518441993.

Adding to 5403151221 its reverse (1221513045), we get a palindrome (6624664266).

The spelling of 5403151221 in words is "five billion, four hundred three million, one hundred fifty-one thousand, two hundred twenty-one".