5211404545 has 8 divisors (see below), whose sum is σ = 6469329960. Its totient is φ = 4025360640.

The previous prime is 5211404543. The next prime is 5211404557. The reversal of 5211404545 is 5454041125.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 522031104 + 4689373441 = 22848^2 + 68479^2 .

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

It is not a de Polignac number, because 5211404545 - 2¹ = 5211404543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5211404543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17970216 + ... + 17970505.

It is an arithmetic number, because the mean of its divisors is an integer number (808666245).

Almost surely, 2^5211404545 is an apocalyptic number.

It is an amenable number.

5211404545 is a deficient number, since it is larger than the sum of its proper divisors (1257925415).

5211404545 is a wasteful number, since it uses less digits than its factorization.

5211404545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35940755.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 5211404545 is about 72190.0584914571. The cubic root of 5211404545 is about 1733.7438324063.

The spelling of 5211404545 in words is "five billion, two hundred eleven million, four hundred four thousand, five hundred forty-five".