1965497 has 2 divisors, whose sum is σ = 1965498. Its totient is φ = 1965496.

The previous prime is 1965463. The next prime is 1965503. The reversal of 1965497 is 7945691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1752976 + 212521 = 1324^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 1965497 - 2¹⁴ = 1949113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1965407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982748 + 982749.

It is an arithmetic number, because the mean of its divisors is an integer number (982749).

2^1965497 is an apocalyptic number.

It is an amenable number.

1965497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1965497 is an equidigital number, since it uses as much as digits as its factorization.

1965497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 1965497 is about 1401.9618397089. The cubic root of 1965497 is about 125.2633806553.

The spelling of 1965497 in words is "one million, nine hundred sixty-five thousand, four hundred ninety-seven".