11457533 has 2 divisors, whose sum is σ = 11457534. Its totient is φ = 11457532.

The previous prime is 11457499. The next prime is 11457553. The reversal of 11457533 is 33575411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 521284 = 3307^2 + 722^2 .

It is an emirp because it is prime and its reverse (33575411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11457533 - 2¹⁰ = 11456509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11457496 and 11457505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11457553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728766 + 5728767.

It is an arithmetic number, because the mean of its divisors is an integer number (5728767).

Almost surely, 2^11457533 is an apocalyptic number.

It is an amenable number.

11457533 is a deficient number, since it is larger than the sum of its proper divisors (1).

11457533 is an equidigital number, since it uses as much as digits as its factorization.

11457533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 29.

The square root of 11457533 is about 3384.8977827994. The cubic root of 11457533 is about 225.4396867228.

The spelling of 11457533 in words is "eleven million, four hundred fifty-seven thousand, five hundred thirty-three".