85358251 has 8 divisors (see below), whose sum is σ = 95099904. Its totient is φ = 75946920.

The previous prime is 85358239. The next prime is 85358291. The reversal of 85358251 is 15285358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85358251 - 2⁷ = 85358123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85358251.

It is not an unprimeable number, because it can be changed into a prime (85358291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82035 + ... + 83068.

It is an arithmetic number, because the mean of its divisors is an integer number (11887488).

Almost surely, 2^85358251 is an apocalyptic number.

85358251 is a deficient number, since it is larger than the sum of its proper divisors (9741653).

85358251 is a wasteful number, since it uses less digits than its factorization.

85358251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165161.

The product of its digits is 48000, while the sum is 37.

The square root of 85358251 is about 9238.9529168624. The cubic root of 85358251 is about 440.2998146003.

The spelling of 85358251 in words is "eighty-five million, three hundred fifty-eight thousand, two hundred fifty-one".