654054251 has 2 divisors, whose sum is σ = 654054252. Its totient is φ = 654054250.

The previous prime is 654054221. The next prime is 654054253. The reversal of 654054251 is 152450456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654054251 - 2⁶ = 654054187 is a prime.

Together with 654054253, 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 (654054253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327027125 + 327027126.

It is an arithmetic number, because the mean of its divisors is an integer number (327027126).

Almost surely, 2^654054251 is an apocalyptic number.

654054251 is a deficient number, since it is larger than the sum of its proper divisors (1).

654054251 is an equidigital number, since it uses as much as digits as its factorization.

654054251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 654054251 is about 25574.4843740788. The cubic root of 654054251 is about 868.0363741862.

The spelling of 654054251 in words is "six hundred fifty-four million, fifty-four thousand, two hundred fifty-one".