655157071 has 2 divisors, whose sum is σ = 655157072. Its totient is φ = 655157070.

The previous prime is 655157053. The next prime is 655157099. The reversal of 655157071 is 170751556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655157071 - 2¹⁷ = 655025999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655157071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655157011) 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, 327578535 + 327578536.

It is an arithmetic number, because the mean of its divisors is an integer number (327578536).

Almost surely, 2^655157071 is an apocalyptic number.

655157071 is a deficient number, since it is larger than the sum of its proper divisors (1).

655157071 is an equidigital number, since it uses as much as digits as its factorization.

655157071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 37.

The square root of 655157071 is about 25596.0362361050. The cubic root of 655157071 is about 868.5239740752.

The spelling of 655157071 in words is "six hundred fifty-five million, one hundred fifty-seven thousand, seventy-one".