11470531 has 2 divisors, whose sum is σ = 11470532. Its totient is φ = 11470530.

The previous prime is 11470523. The next prime is 11470549. The reversal of 11470531 is 13507411.

11470531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13507411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11470531 - 2³ = 11470523 is a prime.

It is a super-2 number, since 2×11470531² = 263146162843922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11470331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735265 + 5735266.

It is an arithmetic number, because the mean of its divisors is an integer number (5735266).

Almost surely, 2^11470531 is an apocalyptic number.

11470531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11470531 is an equidigital number, since it uses as much as digits as its factorization.

11470531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 11470531 is about 3386.8172374665. The cubic root of 11470531 is about 225.5249045344.

Adding to 11470531 its reverse (13507411), we get a palindrome (24977942).

The spelling of 11470531 in words is "eleven million, four hundred seventy thousand, five hundred thirty-one".