5211205470 has 72 divisors (see below), whose sum is σ = 14069717064. Its totient is φ = 1389637296.

The previous prime is 5211205453. The next prime is 5211205471. The reversal of 5211205470 is 745021125.

5211205470 is a `hidden beast` number, since 5 + 2 + 112 + 0 + 547 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211205471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25897 + ... + 105323.

It is an arithmetic number, because the mean of its divisors is an integer number (195412737).

Almost surely, 2^5211205470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5211205470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7034858532).

5211205470 is an abundant number, since it is smaller than the sum of its proper divisors (8858511594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5211205470 is an frugal number, since it uses more digits than its factorization.

5211205470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79458 (or 79437 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 5211205470 is about 72188.6796526990. The cubic root of 5211205470 is about 1733.7217558596.

Adding to 5211205470 its reverse (745021125), we get a palindrome (5956226595).

It can be divided in two parts, 5211 and 205470, that added together give a square (210681 = 459²).

The spelling of 5211205470 in words is "five billion, two hundred eleven million, two hundred five thousand, four hundred seventy".