85249401 has 8 divisors (see below), whose sum is σ = 113782560. Its totient is φ = 56774592.

The previous prime is 85249397. The next prime is 85249421. The reversal of 85249401 is 10494258.

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

It is not a de Polignac number, because 85249401 - 2² = 85249397 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85249421) 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, 11055 + ... + 17108.

It is an arithmetic number, because the mean of its divisors is an integer number (14222820).

Almost surely, 2^85249401 is an apocalyptic number.

85249401 is the 5840-th centered pentagonal number.

It is an amenable number.

85249401 is a deficient number, since it is larger than the sum of its proper divisors (28533159).

85249401 is a wasteful number, since it uses less digits than its factorization.

85249401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29175.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 85249401 is about 9233.0602185841. The cubic root of 85249401 is about 440.1125762219.

The spelling of 85249401 in words is "eighty-five million, two hundred forty-nine thousand, four hundred one".