695667541 has 4 divisors (see below), whose sum is σ = 712635084. Its totient is φ = 678700000.

The previous prime is 695667517. The next prime is 695667547. The reversal of 695667541 is 145766596.

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 22524516 + 673143025 = 4746^2 + 25945^2 .

It is a cyclic number.

It is not a de Polignac number, because 695667541 - 2¹⁷ = 695536469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695667547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8483710 + ... + 8483791.

It is an arithmetic number, because the mean of its divisors is an integer number (178158771).

Almost surely, 2^695667541 is an apocalyptic number.

It is an amenable number.

695667541 is a deficient number, since it is larger than the sum of its proper divisors (16967543).

695667541 is a wasteful number, since it uses less digits than its factorization.

695667541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16967542.

The product of its digits is 1360800, while the sum is 49.

The square root of 695667541 is about 26375.5102509885. The cubic root of 695667541 is about 886.0683963423.

The spelling of 695667541 in words is "six hundred ninety-five million, six hundred sixty-seven thousand, five hundred forty-one".