85474651 has 2 divisors, whose sum is σ = 85474652. Its totient is φ = 85474650.

The previous prime is 85474619. The next prime is 85474661. The reversal of 85474651 is 15647458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85474651 - 2⁵ = 85474619 is a prime.

It is not a weakly prime, because it can be changed into another prime (85474661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42737325 + 42737326.

It is an arithmetic number, because the mean of its divisors is an integer number (42737326).

Almost surely, 2^85474651 is an apocalyptic number.

85474651 is a deficient number, since it is larger than the sum of its proper divisors (1).

85474651 is an equidigital number, since it uses as much as digits as its factorization.

85474651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 40.

The square root of 85474651 is about 9245.2501859063. The cubic root of 85474651 is about 440.4998640746.

The spelling of 85474651 in words is "eighty-five million, four hundred seventy-four thousand, six hundred fifty-one".