85418651 has 2 divisors, whose sum is σ = 85418652. Its totient is φ = 85418650.

The previous prime is 85418617. The next prime is 85418657. The reversal of 85418651 is 15681458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85418651 - 2¹⁰ = 85417627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85418657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42709325 + 42709326.

It is an arithmetic number, because the mean of its divisors is an integer number (42709326).

Almost surely, 2^85418651 is an apocalyptic number.

85418651 is a deficient number, since it is larger than the sum of its proper divisors (1).

85418651 is an equidigital number, since it uses as much as digits as its factorization.

85418651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 38.

The square root of 85418651 is about 9242.2211075044. The cubic root of 85418651 is about 440.4036430263.

The spelling of 85418651 in words is "eighty-five million, four hundred eighteen thousand, six hundred fifty-one".