85397503 has 2 divisors, whose sum is σ = 85397504. Its totient is φ = 85397502.

The previous prime is 85397497. The next prime is 85397509. The reversal of 85397503 is 30579358.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (85397497) and next prime (85397509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85397503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85397509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42698751 + 42698752.

It is an arithmetic number, because the mean of its divisors is an integer number (42698752).

Almost surely, 2^85397503 is an apocalyptic number.

85397503 is a deficient number, since it is larger than the sum of its proper divisors (1).

85397503 is an equidigital number, since it uses as much as digits as its factorization.

85397503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 85397503 is about 9241.0769394048. The cubic root of 85397503 is about 440.3672948952.

The spelling of 85397503 in words is "eighty-five million, three hundred ninety-seven thousand, five hundred three".