654674071 has 4 divisors (see below), whose sum is σ = 655154352. Its totient is φ = 654193792.

The previous prime is 654674057. The next prime is 654674099. The reversal of 654674071 is 170476456.

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 654674071 - 2⁹ = 654673559 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 (654674171) 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 3 ways as a sum of consecutive naturals, for example, 238090 + ... + 240823.

It is an arithmetic number, because the mean of its divisors is an integer number (163788588).

Almost surely, 2^654674071 is an apocalyptic number.

654674071 is a deficient number, since it is larger than the sum of its proper divisors (480281).

654674071 is a wasteful number, since it uses less digits than its factorization.

654674071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480280.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 654674071 is about 25586.5994418954. The cubic root of 654674071 is about 868.3104882672.

The spelling of 654674071 in words is "six hundred fifty-four million, six hundred seventy-four thousand, seventy-one".