1697042441 has 2 divisors, whose sum is σ = 1697042442. Its totient is φ = 1697042440.

The previous prime is 1697042423. The next prime is 1697042483. The reversal of 1697042441 is 1442407961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1631836816 + 65205625 = 40396^2 + 8075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1697042441 - 2²⁶ = 1629933577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1697042395 and 1697042404.

It is not a weakly prime, because it can be changed into another prime (1697042401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848521220 + 848521221.

It is an arithmetic number, because the mean of its divisors is an integer number (848521221).

Almost surely, 2^1697042441 is an apocalyptic number.

It is an amenable number.

1697042441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1697042441 is an equidigital number, since it uses as much as digits as its factorization.

1697042441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1697042441 is about 41195.1749723193. The cubic root of 1697042441 is about 1192.7906731208.

The spelling of 1697042441 in words is "one billion, six hundred ninety-seven million, forty-two thousand, four hundred forty-one".