85495129 has 4 divisors (see below), whose sum is σ = 85570560. Its totient is φ = 85419700.

The previous prime is 85495097. The next prime is 85495133. The reversal of 85495129 is 92159458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92159458 = 2 ⋅46079729.

It is a cyclic number.

It is not a de Polignac number, because 85495129 - 2⁵ = 85495097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85495829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35989 + ... + 38290.

It is an arithmetic number, because the mean of its divisors is an integer number (21392640).

Almost surely, 2^85495129 is an apocalyptic number.

It is an amenable number.

85495129 is a deficient number, since it is larger than the sum of its proper divisors (75431).

85495129 is a wasteful number, since it uses less digits than its factorization.

85495129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75430.

The product of its digits is 129600, while the sum is 43.

The square root of 85495129 is about 9246.3576071878. The cubic root of 85495129 is about 440.5350395557.

The spelling of 85495129 in words is "eighty-five million, four hundred ninety-five thousand, one hundred twenty-nine".