85245429 has 16 divisors (see below), whose sum is σ = 125580672. Its totient is φ = 51161088.

The previous prime is 85245397. The next prime is 85245439. The reversal of 85245429 is 92454258.

It is not a de Polignac number, because 85245429 - 2⁵ = 85245397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85245439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35164 + ... + 37509.

It is an arithmetic number, because the mean of its divisors is an integer number (7848792).

Almost surely, 2^85245429 is an apocalyptic number.

It is an amenable number.

85245429 is a deficient number, since it is larger than the sum of its proper divisors (40335243).

85245429 is a wasteful number, since it uses less digits than its factorization.

85245429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72716.

The product of its digits is 115200, while the sum is 39.

The square root of 85245429 is about 9232.8451194634. The cubic root of 85245429 is about 440.1057407709.

The spelling of 85245429 in words is "eighty-five million, two hundred forty-five thousand, four hundred twenty-nine".