1957469 has 2 divisors, whose sum is σ = 1957470. Its totient is φ = 1957468.

The previous prime is 1957453. The next prime is 1957477. The reversal of 1957469 is 9647591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 344569 = 1270^2 + 587^2 .

It is an emirp because it is prime and its reverse (9647591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1957469 - 2⁴ = 1957453 is a prime.

It is a super-2 number, since 2×1957469² = 7663369771922, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 9² + 5⁹ + 7² + 4⁶ + 6² + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1957069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978734 + 978735.

It is an arithmetic number, because the mean of its divisors is an integer number (978735).

2^1957469 is an apocalyptic number.

It is an amenable number.

1957469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957469 is an equidigital number, since it uses as much as digits as its factorization.

1957469 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1957469 is about 1399.0957794233. The cubic root of 1957469 is about 125.0926033800.

The spelling of 1957469 in words is "one million, nine hundred fifty-seven thousand, four hundred sixty-nine".