170553013 has 2 divisors, whose sum is σ = 170553014. Its totient is φ = 170553012.

The previous prime is 170552983. The next prime is 170553023. The reversal of 170553013 is 310355071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117874449 + 52678564 = 10857^2 + 7258^2 .

It is a cyclic number.

It is not a de Polignac number, because 170553013 - 2¹⁷ = 170421941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170553023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85276506 + 85276507.

It is an arithmetic number, because the mean of its divisors is an integer number (85276507).

Almost surely, 2^170553013 is an apocalyptic number.

It is an amenable number.

170553013 is a deficient number, since it is larger than the sum of its proper divisors (1).

170553013 is an equidigital number, since it uses as much as digits as its factorization.

170553013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 170553013 is about 13059.5946721175. The cubic root of 170553013 is about 554.5658623706.

The spelling of 170553013 in words is "one hundred seventy million, five hundred fifty-three thousand, thirteen".