5216481954 has 24 divisors (see below), whose sum is σ = 11378238300. Its totient is φ = 1727156448.

The previous prime is 5216481937. The next prime is 5216481971. The reversal of 5216481954 is 4591846125.

5216481954 is a `hidden beast` number, since 521 + 64 + 8 + 19 + 54 = 666.

It is an interprime number because it is at equal distance from previous prime (5216481937) and next prime (5216481971).

It can be written as a sum of positive squares in 2 ways, for example, as 5216450625 + 31329 = 72225^2 + 177^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 969817 + ... + 975180.

Almost surely, 2^5216481954 is an apocalyptic number.

5216481954 is an abundant number, since it is smaller than the sum of its proper divisors (6161756346).

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

5216481954 is a wasteful number, since it uses less digits than its factorization.

5216481954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945154 (or 1945151 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 5216481954 is about 72225.2168844096. The cubic root of 5216481954 is about 1734.3067049260.

The spelling of 5216481954 in words is "five billion, two hundred sixteen million, four hundred eighty-one thousand, nine hundred fifty-four".