85625497 has 2 divisors, whose sum is σ = 85625498. Its totient is φ = 85625496.

The previous prime is 85625483. The next prime is 85625509. The reversal of 85625497 is 79452658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75759616 + 9865881 = 8704^2 + 3141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85625497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85625597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42812748 + 42812749.

It is an arithmetic number, because the mean of its divisors is an integer number (42812749).

Almost surely, 2^85625497 is an apocalyptic number.

It is an amenable number.

85625497 is a deficient number, since it is larger than the sum of its proper divisors (1).

85625497 is an equidigital number, since it uses as much as digits as its factorization.

85625497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 85625497 is about 9253.4046166803. The cubic root of 85625497 is about 440.7588437486.

The spelling of 85625497 in words is "eighty-five million, six hundred twenty-five thousand, four hundred ninety-seven".