654953479 has 2 divisors, whose sum is σ = 654953480. Its totient is φ = 654953478.

The previous prime is 654953477. The next prime is 654953483. The reversal of 654953479 is 974359456.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654953479 - 2¹ = 654953477 is a prime.

Together with 654953477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654953471) 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 as a sum of consecutive naturals, namely, 327476739 + 327476740.

It is an arithmetic number, because the mean of its divisors is an integer number (327476740).

Almost surely, 2^654953479 is an apocalyptic number.

654953479 is a deficient number, since it is larger than the sum of its proper divisors (1).

654953479 is an equidigital number, since it uses as much as digits as its factorization.

654953479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 52.

The square root of 654953479 is about 25592.0589050588. The cubic root of 654953479 is about 868.4339992890.

The spelling of 654953479 in words is "six hundred fifty-four million, nine hundred fifty-three thousand, four hundred seventy-nine".