85513253 has 8 divisors (see below), whose sum is σ = 100371072. Its totient is φ = 71315856.

The previous prime is 85513231. The next prime is 85513271. The reversal of 85513253 is 35231558.

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 85513253 - 2⁶ = 85513189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85513273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164825 + ... + 165342.

It is an arithmetic number, because the mean of its divisors is an integer number (12546384).

Almost surely, 2^85513253 is an apocalyptic number.

It is an amenable number.

85513253 is a deficient number, since it is larger than the sum of its proper divisors (14857819).

85513253 is a wasteful number, since it uses less digits than its factorization.

85513253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330211.

The product of its digits is 18000, while the sum is 32.

The square root of 85513253 is about 9247.3376168495. The cubic root of 85513253 is about 440.5661668376.

The spelling of 85513253 in words is "eighty-five million, five hundred thirteen thousand, two hundred fifty-three".