34520531 has 2 divisors, whose sum is σ = 34520532. Its totient is φ = 34520530.

The previous prime is 34520491. The next prime is 34520537. The reversal of 34520531 is 13502543.

It is a strong prime.

It is an emirp because it is prime and its reverse (13502543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34520531 is a prime.

It is a super-2 number, since 2×34520531² = 2383334121043922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 34520497 and 34520506.

It is not a weakly prime, because it can be changed into another prime (34520537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17260265 + 17260266.

It is an arithmetic number, because the mean of its divisors is an integer number (17260266).

Almost surely, 2^34520531 is an apocalyptic number.

34520531 is a deficient number, since it is larger than the sum of its proper divisors (1).

34520531 is an equidigital number, since it uses as much as digits as its factorization.

34520531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 34520531 is about 5875.4175170791. The cubic root of 34520531 is about 325.6060675108.

The spelling of 34520531 in words is "thirty-four million, five hundred twenty thousand, five hundred thirty-one".