654002651 has 2 divisors, whose sum is σ = 654002652. Its totient is φ = 654002650.

The previous prime is 654002627. The next prime is 654002653. The reversal of 654002651 is 156200456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654002651 - 2²² = 649808347 is a prime.

Together with 654002653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (654002653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327001325 + 327001326.

It is an arithmetic number, because the mean of its divisors is an integer number (327001326).

Almost surely, 2^654002651 is an apocalyptic number.

654002651 is a deficient number, since it is larger than the sum of its proper divisors (1).

654002651 is an equidigital number, since it uses as much as digits as its factorization.

654002651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 654002651 is about 25573.4755361879. The cubic root of 654002651 is about 868.0135463883.

The spelling of 654002651 in words is "six hundred fifty-four million, two thousand, six hundred fifty-one".