5211217445 has 32 divisors (see below), whose sum is σ = 7255733760. Its totient is φ = 3519267840.

The previous prime is 5211217439. The next prime is 5211217463. The reversal of 5211217445 is 5447121125.

It is not a de Polignac number, because 5211217445 - 2⁸ = 5211217189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816065 + ... + 822425.

It is an arithmetic number, because the mean of its divisors is an integer number (226741680).

Almost surely, 2^5211217445 is an apocalyptic number.

It is an amenable number.

5211217445 is a deficient number, since it is larger than the sum of its proper divisors (2044516315).

5211217445 is a wasteful number, since it uses less digits than its factorization.

5211217445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725.

The product of its digits is 11200, while the sum is 32.

The square root of 5211217445 is about 72188.7625950189. The cubic root of 5211217445 is about 1733.7230838506.

The spelling of 5211217445 in words is "five billion, two hundred eleven million, two hundred seventeen thousand, four hundred forty-five".