5401221245 has 12 divisors (see below), whose sum is σ = 7539664284. Its totient is φ = 3703694400.

The previous prime is 5401221191. The next prime is 5401221253. The reversal of 5401221245 is 5421221045.

It can be written as a sum of positive squares in 2 ways, for example, as 1945427449 + 3455793796 = 44107^2 + 58786^2 .

It is not a de Polignac number, because 5401221245 - 2¹⁶ = 5401155709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11022656 + ... + 11023145.

It is an arithmetic number, because the mean of its divisors is an integer number (628305357).

Almost surely, 2^5401221245 is an apocalyptic number.

It is an amenable number.

5401221245 is a deficient number, since it is larger than the sum of its proper divisors (2138443039).

5401221245 is a wasteful number, since it uses less digits than its factorization.

5401221245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22045820 (or 22045813 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 5401221245 is about 73493.0013334603. The cubic root of 5401221245 is about 1754.5428900714.

It can be divided in two parts, 54012 and 21245, that added together give a palindrome (75257).

The spelling of 5401221245 in words is "five billion, four hundred one million, two hundred twenty-one thousand, two hundred forty-five".