1697086045 has 8 divisors (see below), whose sum is σ = 2037005496. Its totient is φ = 1357334016.

The previous prime is 1697086043. The next prime is 1697086057. The reversal of 1697086045 is 5406807961.

It can be written as a sum of positive squares in 4 ways, for example, as 269682084 + 1427403961 = 16422^2 + 37781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1697086045 - 2¹ = 1697086043 is a prime.

It is a super-3 number, since 3×1697086045³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1697085986 and 1697086004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1697086043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18352 + ... + 61081.

It is an arithmetic number, because the mean of its divisors is an integer number (254625687).

Almost surely, 2^1697086045 is an apocalyptic number.

It is an amenable number.

1697086045 is a deficient number, since it is larger than the sum of its proper divisors (339919451).

1697086045 is an equidigital number, since it uses as much as digits as its factorization.

1697086045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83711.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 1697086045 is about 41195.7042056572. The cubic root of 1697086045 is about 1192.8008889327.

The spelling of 1697086045 in words is "one billion, six hundred ninety-seven million, eighty-six thousand, forty-five".