694006061 has 6 divisors (see below), whose sum is σ = 807313230. Its totient is φ = 594862296.

The previous prime is 694006051. The next prime is 694006063. The reversal of 694006061 is 160600496.

It can be written as a sum of positive squares in only one way, i.e., 652802500 + 41203561 = 25550^2 + 6419^2 .

It is not a de Polignac number, because 694006061 - 2¹⁴ = 693989677 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 (694006063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7081646 + ... + 7081743.

It is an arithmetic number, because the mean of its divisors is an integer number (134552205).

Almost surely, 2^694006061 is an apocalyptic number.

It is an amenable number.

694006061 is a deficient number, since it is larger than the sum of its proper divisors (113307169).

694006061 is a wasteful number, since it uses less digits than its factorization.

694006061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14163403 (or 14163396 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 694006061 is about 26343.9947805947. The cubic root of 694006061 is about 885.3624276583.

The spelling of 694006061 in words is "six hundred ninety-four million, six thousand, sixty-one".