655170007 has 2 divisors, whose sum is σ = 655170008. Its totient is φ = 655170006.

The previous prime is 655169971. The next prime is 655170017. The reversal of 655170007 is 700071556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655170007 - 2¹¹ = 655167959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655170017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327585003 + 327585004.

It is an arithmetic number, because the mean of its divisors is an integer number (327585004).

Almost surely, 2^655170007 is an apocalyptic number.

655170007 is a deficient number, since it is larger than the sum of its proper divisors (1).

655170007 is an equidigital number, since it uses as much as digits as its factorization.

655170007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 655170007 is about 25596.2889302336. The cubic root of 655170007 is about 868.5296903392.

The spelling of 655170007 in words is "six hundred fifty-five million, one hundred seventy thousand, seven".