11459531 has 2 divisors, whose sum is σ = 11459532. Its totient is φ = 11459530.

The previous prime is 11459477. The next prime is 11459533. The reversal of 11459531 is 13595411.

11459531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11459531 - 2²² = 7265227 is a prime.

It is a super-2 number, since 2×11459531² = 262641701479922, which contains 22 as substring.

Together with 11459533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11459494 and 11459503.

It is not a weakly prime, because it can be changed into another prime (11459533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5729765 + 5729766.

It is an arithmetic number, because the mean of its divisors is an integer number (5729766).

Almost surely, 2^11459531 is an apocalyptic number.

11459531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11459531 is an equidigital number, since it uses as much as digits as its factorization.

11459531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 29.

The square root of 11459531 is about 3385.1929044000. The cubic root of 11459531 is about 225.4527902508.

It can be divided in two parts, 114595 and 31, that multiplied together give a triangular number (3552445 = T₂₆₆₅).

The spelling of 11459531 in words is "eleven million, four hundred fifty-nine thousand, five hundred thirty-one".