695420771 has 2 divisors, whose sum is σ = 695420772. Its totient is φ = 695420770.

The previous prime is 695420749. The next prime is 695420773. The reversal of 695420771 is 177024596.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 695420771 - 2⁶ = 695420707 is a prime.

It is a super-2 number, since 2×695420771² = 967220097476468882, which contains 22 as substring.

Together with 695420773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (695420773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347710385 + 347710386.

It is an arithmetic number, because the mean of its divisors is an integer number (347710386).

Almost surely, 2^695420771 is an apocalyptic number.

695420771 is a deficient number, since it is larger than the sum of its proper divisors (1).

695420771 is an equidigital number, since it uses as much as digits as its factorization.

695420771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 695420771 is about 26370.8318222994. The cubic root of 695420771 is about 885.9636140316.

The spelling of 695420771 in words is "six hundred ninety-five million, four hundred twenty thousand, seven hundred seventy-one".