1957573 has 2 divisors, whose sum is σ = 1957574. Its totient is φ = 1957572.

The previous prime is 1957547. The next prime is 1957583. The reversal of 1957573 is 3757591.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1595169 + 362404 = 1263^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 1957573 - 2¹⁷ = 1826501 is a prime.

It is a d-powerful number, because it can be written as 1 + 9³ + 5⁵ + 7 + 5⁹ + 7³ + 3⁵ .

1957573 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1957523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978786 + 978787.

It is an arithmetic number, because the mean of its divisors is an integer number (978787).

2^1957573 is an apocalyptic number.

It is an amenable number.

1957573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957573 is an equidigital number, since it uses as much as digits as its factorization.

1957573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33075, while the sum is 37.

The square root of 1957573 is about 1399.1329457918. The cubic root of 1957573 is about 125.0948187238.

The spelling of 1957573 in words is "one million, nine hundred fifty-seven thousand, five hundred seventy-three".