11577497 has 2 divisors, whose sum is σ = 11577498. Its totient is φ = 11577496.

The previous prime is 11577439. The next prime is 11577499. The reversal of 11577497 is 79477511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10686361 + 891136 = 3269^2 + 944^2 .

It is an emirp because it is prime and its reverse (79477511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11577497 - 2¹⁶ = 11511961 is a prime.

Together with 11577499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11577499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5788748 + 5788749.

It is an arithmetic number, because the mean of its divisors is an integer number (5788749).

Almost surely, 2^11577497 is an apocalyptic number.

It is an amenable number.

11577497 is a deficient number, since it is larger than the sum of its proper divisors (1).

11577497 is an equidigital number, since it uses as much as digits as its factorization.

11577497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61740, while the sum is 41.

The square root of 11577497 is about 3402.5721153269. The cubic root of 11577497 is about 226.2237648527.

The spelling of 11577497 in words is "eleven million, five hundred seventy-seven thousand, four hundred ninety-seven".