648875833 has 4 divisors (see below), whose sum is σ = 650341008. Its totient is φ = 647410660.

The previous prime is 648875831. The next prime is 648875863. The reversal of 648875833 is 338578846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 338578846 = 2 ⋅169289423.

It is a cyclic number.

It is not a de Polignac number, because 648875833 - 2¹ = 648875831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648875831) 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, 731923 + ... + 732808.

It is an arithmetic number, because the mean of its divisors is an integer number (162585252).

Almost surely, 2^648875833 is an apocalyptic number.

It is an amenable number.

648875833 is a deficient number, since it is larger than the sum of its proper divisors (1465175).

648875833 is a wasteful number, since it uses less digits than its factorization.

648875833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465174.

The product of its digits is 3870720, while the sum is 52.

The square root of 648875833 is about 25473.0412985964. The cubic root of 648875833 is about 865.7394338811.

The spelling of 648875833 in words is "six hundred forty-eight million, eight hundred seventy-five thousand, eight hundred thirty-three".