648587541 has 32 divisors (see below), whose sum is σ = 1018716160. Its totient is φ = 359297856.

The previous prime is 648587491. The next prime is 648587561. The reversal of 648587541 is 145785846.

It is not a de Polignac number, because 648587541 - 2²⁵ = 615033109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648587561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237180 + ... + 239898.

It is an arithmetic number, because the mean of its divisors is an integer number (31834880).

Almost surely, 2^648587541 is an apocalyptic number.

It is an amenable number.

648587541 is a deficient number, since it is larger than the sum of its proper divisors (370128619).

648587541 is a wasteful number, since it uses less digits than its factorization.

648587541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

The product of its digits is 1075200, while the sum is 48.

The square root of 648587541 is about 25467.3819031325. The cubic root of 648587541 is about 865.6112004490.

The spelling of 648587541 in words is "six hundred forty-eight million, five hundred eighty-seven thousand, five hundred forty-one".