8457523 has 2 divisors, whose sum is σ = 8457524. Its totient is φ = 8457522.

The previous prime is 8457511. The next prime is 8457529. The reversal of 8457523 is 3257548.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8457523 is a prime.

It is not a weakly prime, because it can be changed into another prime (8457529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228761 + 4228762.

It is an arithmetic number, because the mean of its divisors is an integer number (4228762).

Almost surely, 2^8457523 is an apocalyptic number.

8457523 is a deficient number, since it is larger than the sum of its proper divisors (1).

8457523 is an equidigital number, since it uses as much as digits as its factorization.

8457523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 8457523 is about 2908.1820782062. The cubic root of 8457523 is about 203.7422333848.

Multiplying 8457523 by its sum of digits (34), we get a palindrome (287555782).

The spelling of 8457523 in words is "eight million, four hundred fifty-seven thousand, five hundred twenty-three".