5212543464 has 24 divisors (see below), whose sum is σ = 14117305410. Its totient is φ = 1737514464.

The previous prime is 5212543447. The next prime is 5212543493. The reversal of 5212543464 is 4643452125.

5212543464 is a `hidden beast` number, since 5 + 212 + 5 + 434 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3935052900 + 1277490564 = 62730^2 + 35742^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36198147 + ... + 36198290.

Almost surely, 2^5212543464 is an apocalyptic number.

It is an amenable number.

5212543464 is an abundant number, since it is smaller than the sum of its proper divisors (8904761946).

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

5212543464 is a wasteful number, since it uses less digits than its factorization.

5212543464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72396449 (or 72396442 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 5212543464 is about 72197.9463973872. The cubic root of 5212543464 is about 1733.8701227341.

Adding to 5212543464 its reverse (4643452125), we get a palindrome (9855995589).

The spelling of 5212543464 in words is "five billion, two hundred twelve million, five hundred forty-three thousand, four hundred sixty-four".