705667153 has 2 divisors, whose sum is σ = 705667154. Its totient is φ = 705667152.

The previous prime is 705667147. The next prime is 705667187. The reversal of 705667153 is 351766507.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579509329 + 126157824 = 24073^2 + 11232^2 .

It is a cyclic number.

It is not a de Polignac number, because 705667153 - 2¹⁷ = 705536081 is a prime.

It is a super-2 number, since 2×705667153² = 995932261646250818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (705667133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352833576 + 352833577.

It is an arithmetic number, because the mean of its divisors is an integer number (352833577).

Almost surely, 2^705667153 is an apocalyptic number.

It is an amenable number.

705667153 is a deficient number, since it is larger than the sum of its proper divisors (1).

705667153 is an equidigital number, since it uses as much as digits as its factorization.

705667153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 705667153 is about 26564.3963417202. The cubic root of 705667153 is about 890.2937014094.

The spelling of 705667153 in words is "seven hundred five million, six hundred sixty-seven thousand, one hundred fifty-three".