705768253 has 2 divisors, whose sum is σ = 705768254. Its totient is φ = 705768252.

The previous prime is 705768247. The next prime is 705768313. The reversal of 705768253 is 352867507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612414009 + 93354244 = 24747^2 + 9662^2 .

It is an emirp because it is prime and its reverse (352867507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705768253 - 2¹³ = 705760061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705768233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352884126 + 352884127.

It is an arithmetic number, because the mean of its divisors is an integer number (352884127).

Almost surely, 2^705768253 is an apocalyptic number.

It is an amenable number.

705768253 is a deficient number, since it is larger than the sum of its proper divisors (1).

705768253 is an equidigital number, since it uses as much as digits as its factorization.

705768253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 705768253 is about 26566.2991965385. The cubic root of 705768253 is about 890.3362164462.

The spelling of 705768253 in words is "seven hundred five million, seven hundred sixty-eight thousand, two hundred fifty-three".