11457973 has 2 divisors, whose sum is σ = 11457974. Its totient is φ = 11457972.

The previous prime is 11457961. The next prime is 11457997. The reversal of 11457973 is 37975411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11410884 + 47089 = 3378^2 + 217^2 .

It is an emirp because it is prime and its reverse (37975411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11457973 - 2¹⁷ = 11326901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11457673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728986 + 5728987.

It is an arithmetic number, because the mean of its divisors is an integer number (5728987).

Almost surely, 2^11457973 is an apocalyptic number.

It is an amenable number.

11457973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11457973 is an equidigital number, since it uses as much as digits as its factorization.

11457973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The square root of 11457973 is about 3384.9627767525. The cubic root of 11457973 is about 225.4425725154.

The spelling of 11457973 in words is "eleven million, four hundred fifty-seven thousand, nine hundred seventy-three".