1954573 has 2 divisors, whose sum is σ = 1954574. Its totient is φ = 1954572.

The previous prime is 1954553. The next prime is 1954597. The reversal of 1954573 is 3754591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 169 = 1398^2 + 13^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1954573 is a prime.

It is a super-2 number, since 2×1954573² = 7640711224658, which contains 22 as substring.

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977286 + 977287.

It is an arithmetic number, because the mean of its divisors is an integer number (977287).

2^1954573 is an apocalyptic number.

It is an amenable number.

1954573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954573 is an equidigital number, since it uses as much as digits as its factorization.

1954573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 34.

The square root of 1954573 is about 1398.0604421841. The cubic root of 1954573 is about 125.0308830359.

The spelling of 1954573 in words is "one million, nine hundred fifty-four thousand, five hundred seventy-three".