11538601 has 2 divisors, whose sum is σ = 11538602. Its totient is φ = 11538600.

The previous prime is 11538557. The next prime is 11538629. The reversal of 11538601 is 10683511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11289600 + 249001 = 3360^2 + 499^2 .

It is a cyclic number.

It is not a de Polignac number, because 11538601 - 2⁷ = 11538473 is a prime.

It is not a weakly prime, because it can be changed into another prime (11538691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5769300 + 5769301.

It is an arithmetic number, because the mean of its divisors is an integer number (5769301).

Almost surely, 2^11538601 is an apocalyptic number.

It is an amenable number.

11538601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11538601 is an equidigital number, since it uses as much as digits as its factorization.

11538601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 11538601 is about 3396.8516305544. The cubic root of 11538601 is about 225.9701385873.

The spelling of 11538601 in words is "eleven million, five hundred thirty-eight thousand, six hundred one".