654520238 has 16 divisors (see below), whose sum is σ = 994726656. Its totient is φ = 322953720.

The previous prime is 654520231. The next prime is 654520249. The reversal of 654520238 is 832025456.

It is a junction number, because it is equal to n+sod(n) for n = 654520198 and 654520207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654520231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202745 + ... + 205947.

It is an arithmetic number, because the mean of its divisors is an integer number (62170416).

Almost surely, 2^654520238 is an apocalyptic number.

654520238 is a deficient number, since it is larger than the sum of its proper divisors (340206418).

654520238 is a wasteful number, since it uses less digits than its factorization.

654520238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 654520238 is about 25583.5931409175. The cubic root of 654520238 is about 868.2424720961.

The spelling of 654520238 in words is "six hundred fifty-four million, five hundred twenty thousand, two hundred thirty-eight".