654311385 has 192 divisors, whose sum is σ = 1530524160. Its totient is φ = 258785280.

The previous prime is 654311381. The next prime is 654311387. The reversal of 654311385 is 583113456.

654311385 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 654311385 - 2² = 654311381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654311381) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2714865 + ... + 2715105.

It is an arithmetic number, because the mean of its divisors is an integer number (7971480).

Almost surely, 2^654311385 is an apocalyptic number.

654311385 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

654311385 is an abundant number, since it is smaller than the sum of its proper divisors (876212775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654311385 is a wasteful number, since it uses less digits than its factorization.

654311385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 286 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 654311385 is about 25579.5110391110. The cubic root of 654311385 is about 868.1501121630.

The spelling of 654311385 in words is "six hundred fifty-four million, three hundred eleven thousand, three hundred eighty-five".