694375097 has 4 divisors (see below), whose sum is σ = 747788580. Its totient is φ = 640961616.

The previous prime is 694375093. The next prime is 694375103. The reversal of 694375097 is 790573496.

694375097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 146627881 + 547747216 = 12109^2 + 23404^2 .

It is a cyclic number.

It is not a de Polignac number, because 694375097 - 2² = 694375093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (694375091) 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, 26706722 + ... + 26706747.

It is an arithmetic number, because the mean of its divisors is an integer number (186947145).

Almost surely, 2^694375097 is an apocalyptic number.

It is an amenable number.

694375097 is a deficient number, since it is larger than the sum of its proper divisors (53413483).

694375097 is a wasteful number, since it uses less digits than its factorization.

694375097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53413482.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 694375097 is about 26350.9980266403. The cubic root of 694375097 is about 885.5193296085.

The spelling of 694375097 in words is "six hundred ninety-four million, three hundred seventy-five thousand, ninety-seven".