695439061 has 4 divisors (see below), whose sum is σ = 698424012. Its totient is φ = 692454112.

The previous prime is 695439001. The next prime is 695439071. The reversal of 695439061 is 160934596.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 306600100 + 388838961 = 17510^2 + 19719^2 .

It is a cyclic number.

It is not a de Polignac number, because 695439061 - 2¹¹ = 695437013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 695438999 and 695439017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695439001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492126 + ... + 1492591.

It is an arithmetic number, because the mean of its divisors is an integer number (174606003).

Almost surely, 2^695439061 is an apocalyptic number.

It is an amenable number.

695439061 is a deficient number, since it is larger than the sum of its proper divisors (2984951).

695439061 is a wasteful number, since it uses less digits than its factorization.

695439061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984950.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 695439061 is about 26371.1786046813. The cubic root of 695439061 is about 885.9713810954.

The spelling of 695439061 in words is "six hundred ninety-five million, four hundred thirty-nine thousand, sixty-one".