5212240645 has 32 divisors (see below), whose sum is σ = 6840161280. Its totient is φ = 3798213120.

The previous prime is 5212240633. The next prime is 5212240697. The reversal of 5212240645 is 5460422125.

It is not a de Polignac number, because 5212240645 - 2⁹ = 5212240133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 456729 + ... + 468001.

It is an arithmetic number, because the mean of its divisors is an integer number (213755040).

Almost surely, 2^5212240645 is an apocalyptic number.

It is an amenable number.

5212240645 is a deficient number, since it is larger than the sum of its proper divisors (1627920635).

5212240645 is a wasteful number, since it uses less digits than its factorization.

5212240645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11485.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 5212240645 is about 72195.8492227912. The cubic root of 5212240645 is about 1733.8365461006.

The spelling of 5212240645 in words is "five billion, two hundred twelve million, two hundred forty thousand, six hundred forty-five".