85898503 has 2 divisors, whose sum is σ = 85898504. Its totient is φ = 85898502.

The previous prime is 85898471. The next prime is 85898507. The reversal of 85898503 is 30589858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85898503 - 2⁵ = 85898471 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85898507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42949251 + 42949252.

It is an arithmetic number, because the mean of its divisors is an integer number (42949252).

Almost surely, 2^85898503 is an apocalyptic number.

85898503 is a deficient number, since it is larger than the sum of its proper divisors (1).

85898503 is an equidigital number, since it uses as much as digits as its factorization.

85898503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 85898503 is about 9268.1445284372. The cubic root of 85898503 is about 441.2267812739.

The spelling of 85898503 in words is "eighty-five million, eight hundred ninety-eight thousand, five hundred three".