695578441 has 4 divisors (see below), whose sum is σ = 695688084. Its totient is φ = 695468800.

The previous prime is 695578421. The next prime is 695578459. The reversal of 695578441 is 144875596.

It is a happy number.

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 587335225 + 108243216 = 24235^2 + 10404^2 .

It is a cyclic number.

It is not a de Polignac number, because 695578441 - 2¹⁷ = 695447369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (695578421) 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, 44680 + ... + 58201.

It is an arithmetic number, because the mean of its divisors is an integer number (173922021).

Almost surely, 2^695578441 is an apocalyptic number.

It is an amenable number.

695578441 is a deficient number, since it is larger than the sum of its proper divisors (109643).

695578441 is a wasteful number, since it uses less digits than its factorization.

695578441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109642.

The product of its digits is 1209600, while the sum is 49.

The square root of 695578441 is about 26373.8211300524. The cubic root of 695578441 is about 886.0305659802.

The spelling of 695578441 in words is "six hundred ninety-five million, five hundred seventy-eight thousand, four hundred forty-one".