34985851 has 2 divisors, whose sum is σ = 34985852. Its totient is φ = 34985850.

The previous prime is 34985809. The next prime is 34985891. The reversal of 34985851 is 15858943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34985851 - 2²³ = 26597243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34985798 and 34985807.

It is not a weakly prime, because it can be changed into another prime (34985891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17492925 + 17492926.

It is an arithmetic number, because the mean of its divisors is an integer number (17492926).

Almost surely, 2^34985851 is an apocalyptic number.

34985851 is a deficient number, since it is larger than the sum of its proper divisors (1).

34985851 is an equidigital number, since it uses as much as digits as its factorization.

34985851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 43.

The square root of 34985851 is about 5914.8838534666. The cubic root of 34985851 is about 327.0625466805.

The spelling of 34985851 in words is "thirty-four million, nine hundred eighty-five thousand, eight hundred fifty-one".