648514343 has 4 divisors (see below), whose sum is σ = 664331808. Its totient is φ = 632696880.

The previous prime is 648514337. The next prime is 648514381. The reversal of 648514343 is 343415846.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 648514343 - 2²⁶ = 581405479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 648514297 and 648514306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648514043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7908671 + ... + 7908752.

It is an arithmetic number, because the mean of its divisors is an integer number (166082952).

Almost surely, 2^648514343 is an apocalyptic number.

648514343 is a deficient number, since it is larger than the sum of its proper divisors (15817465).

648514343 is a wasteful number, since it uses less digits than its factorization.

648514343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15817464.

The product of its digits is 138240, while the sum is 38.

The square root of 648514343 is about 25465.9447694367. The cubic root of 648514343 is about 865.5786356379.

The spelling of 648514343 in words is "six hundred forty-eight million, five hundred fourteen thousand, three hundred forty-three".