5312500646 has 16 divisors (see below), whose sum is σ = 8459212320. Its totient is φ = 2493567360.

The previous prime is 5312500619. The next prime is 5312500657. The reversal of 5312500646 is 6460052135.

It is a super-2 number, since 2×5312500646² = 56445326227500834632, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 187610 + ... + 214061.

It is an arithmetic number, because the mean of its divisors is an integer number (528700770).

Almost surely, 2^5312500646 is an apocalyptic number.

5312500646 is a deficient number, since it is larger than the sum of its proper divisors (3146711674).

5312500646 is a wasteful number, since it uses less digits than its factorization.

5312500646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402079.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 5312500646 is about 72886.9031170896. The cubic root of 5312500646 is about 1744.8830824531.

The spelling of 5312500646 in words is "five billion, three hundred twelve million, five hundred thousand, six hundred forty-six".