11563257 has 8 divisors (see below), whose sum is σ = 15949440. Its totient is φ = 7442960.

The previous prime is 11563249. The next prime is 11563261. The reversal of 11563257 is 75236511.

11563257 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11563257 - 2³ = 11563249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11563157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66369 + ... + 66542.

It is an arithmetic number, because the mean of its divisors is an integer number (1993680).

Almost surely, 2^11563257 is an apocalyptic number.

It is an amenable number.

11563257 is a deficient number, since it is larger than the sum of its proper divisors (4386183).

11563257 is a wasteful number, since it uses less digits than its factorization.

11563257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132943.

The product of its digits is 6300, while the sum is 30.

The square root of 11563257 is about 3400.4789368558. The cubic root of 11563257 is about 226.1309771494.

Adding to 11563257 its reverse (75236511), we get a palindrome (86799768).

The spelling of 11563257 in words is "eleven million, five hundred sixty-three thousand, two hundred fifty-seven".