654034247 has 4 divisors (see below), whose sum is σ = 656967360. Its totient is φ = 651101136.

The previous prime is 654034243. The next prime is 654034259. The reversal of 654034247 is 742430456.

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

It is a cyclic number.

It is not a de Polignac number, because 654034247 - 2² = 654034243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654034243) 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, 1466222 + ... + 1466667.

It is an arithmetic number, because the mean of its divisors is an integer number (164241840).

Almost surely, 2^654034247 is an apocalyptic number.

654034247 is a deficient number, since it is larger than the sum of its proper divisors (2933113).

654034247 is a wasteful number, since it uses less digits than its factorization.

654034247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933112.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 654034247 is about 25574.0932781594. The cubic root of 654034247 is about 868.0275245754.

The spelling of 654034247 in words is "six hundred fifty-four million, thirty-four thousand, two hundred forty-seven".