655030140251 has 2 divisors, whose sum is σ = 655030140252. Its totient is φ = 655030140250.

The previous prime is 655030140239. The next prime is 655030140509. The reversal of 655030140251 is 152041030556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655030140251 - 2²² = 655025945947 is a prime.

It is not a weakly prime, because it can be changed into another prime (655030140551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327515070125 + 327515070126.

It is an arithmetic number, because the mean of its divisors is an integer number (327515070126).

Almost surely, 2^655030140251 is an apocalyptic number.

655030140251 is a deficient number, since it is larger than the sum of its proper divisors (1).

655030140251 is an equidigital number, since it uses as much as digits as its factorization.

655030140251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 655030140251 in words is "six hundred fifty-five billion, thirty million, one hundred forty thousand, two hundred fifty-one".