654291455 has 4 divisors (see below), whose sum is σ = 785149752. Its totient is φ = 523433160.

The previous prime is 654291439. The next prime is 654291457. The reversal of 654291455 is 554192456.

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

It is not a de Polignac number, because 654291455 - 2⁴ = 654291439 is a prime.

It is a super-3 number, since 3×654291455³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654291457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65429141 + ... + 65429150.

It is an arithmetic number, because the mean of its divisors is an integer number (196287438).

Almost surely, 2^654291455 is an apocalyptic number.

654291455 is a deficient number, since it is larger than the sum of its proper divisors (130858297).

654291455 is a wasteful number, since it uses less digits than its factorization.

654291455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130858296.

The product of its digits is 216000, while the sum is 41.

The square root of 654291455 is about 25579.1214665399. The cubic root of 654291455 is about 868.1412975997.

The spelling of 654291455 in words is "six hundred fifty-four million, two hundred ninety-one thousand, four hundred fifty-five".