654075043 has 2 divisors, whose sum is σ = 654075044. Its totient is φ = 654075042.

The previous prime is 654075041. The next prime is 654075061. The reversal of 654075043 is 340570456.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654075043 - 2¹ = 654075041 is a prime.

Together with 654075041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (654075041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327037521 + 327037522.

It is an arithmetic number, because the mean of its divisors is an integer number (327037522).

Almost surely, 2^654075043 is an apocalyptic number.

654075043 is a deficient number, since it is larger than the sum of its proper divisors (1).

654075043 is an equidigital number, since it uses as much as digits as its factorization.

654075043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 654075043 is about 25574.8908697574. The cubic root of 654075043 is about 868.0455722107.

The spelling of 654075043 in words is "six hundred fifty-four million, seventy-five thousand, forty-three".