85217354 has 4 divisors (see below), whose sum is σ = 127826034. Its totient is φ = 42608676.

The previous prime is 85217351. The next prime is 85217383. The reversal of 85217354 is 45371258.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76650025 + 8567329 = 8755^2 + 2927^2 .

It is a super-2 number, since 2×85217354² = 14523994845522632, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85217351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21304337 + ... + 21304340.

Almost surely, 2^85217354 is an apocalyptic number.

85217354 is a deficient number, since it is larger than the sum of its proper divisors (42608680).

85217354 is a wasteful number, since it uses less digits than its factorization.

85217354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42608679.

The product of its digits is 33600, while the sum is 35.

The square root of 85217354 is about 9231.3246070106. The cubic root of 85217354 is about 440.0574201923.

The spelling of 85217354 in words is "eighty-five million, two hundred seventeen thousand, three hundred fifty-four".