5312640545 has 16 divisors (see below), whose sum is σ = 6486678720. Its totient is φ = 4175849664.

The previous prime is 5312640499. The next prime is 5312640551. The reversal of 5312640545 is 5450462135.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5312640545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750794 + ... + 757836.

It is an arithmetic number, because the mean of its divisors is an integer number (405417420).

Almost surely, 2^5312640545 is an apocalyptic number.

It is an amenable number.

5312640545 is a deficient number, since it is larger than the sum of its proper divisors (1174038175).

5312640545 is a wasteful number, since it uses less digits than its factorization.

5312640545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9664.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 5312640545 is about 72887.8628099356. The cubic root of 5312640545 is about 1744.8983988595.

The spelling of 5312640545 in words is "five billion, three hundred twelve million, six hundred forty thousand, five hundred forty-five".