270172057 has 2 divisors, whose sum is σ = 270172058. Its totient is φ = 270172056.

The previous prime is 270171997. The next prime is 270172061. The reversal of 270172057 is 750271072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262083721 + 8088336 = 16189^2 + 2844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270172057 is a prime.

It is a super-2 number, since 2×270172057² = 145985880767222498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (270172157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135086028 + 135086029.

It is an arithmetic number, because the mean of its divisors is an integer number (135086029).

Almost surely, 2^270172057 is an apocalyptic number.

It is an amenable number.

270172057 is a deficient number, since it is larger than the sum of its proper divisors (1).

270172057 is an equidigital number, since it uses as much as digits as its factorization.

270172057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 270172057 is about 16436.9114191201. The cubic root of 270172057 is about 646.4676688087.

The spelling of 270172057 in words is "two hundred seventy million, one hundred seventy-two thousand, fifty-seven".