11413531 has 2 divisors, whose sum is σ = 11413532. Its totient is φ = 11413530.

The previous prime is 11413483. The next prime is 11413537. The reversal of 11413531 is 13531411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11413531 - 2⁷ = 11413403 is a prime.

It is a super-2 number, since 2×11413531² = 260537379775922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11413499 and 11413508.

It is not a weakly prime, because it can be changed into another prime (11413537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5706765 + 5706766.

It is an arithmetic number, because the mean of its divisors is an integer number (5706766).

Almost surely, 2^11413531 is an apocalyptic number.

11413531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11413531 is an equidigital number, since it uses as much as digits as its factorization.

11413531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 11413531 is about 3378.3917771626. The cubic root of 11413531 is about 225.1507204138.

Adding to 11413531 its reverse (13531411), we get a palindrome (24944942).

The spelling of 11413531 in words is "eleven million, four hundred thirteen thousand, five hundred thirty-one".