85631351 has 8 divisors (see below), whose sum is σ = 93081744. Its totient is φ = 78304320.

The previous prime is 85631327. The next prime is 85631353. The reversal of 85631351 is 15313658.

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 85631351 - 2¹⁰ = 85630327 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 (85631353) 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, 29390 + ... + 32171.

It is an arithmetic number, because the mean of its divisors is an integer number (11635218).

Almost surely, 2^85631351 is an apocalyptic number.

85631351 is a deficient number, since it is larger than the sum of its proper divisors (7450393).

85631351 is a wasteful number, since it uses less digits than its factorization.

85631351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61681.

The product of its digits is 10800, while the sum is 32.

The square root of 85631351 is about 9253.7209272811. The cubic root of 85631351 is about 440.7688880444.

The spelling of 85631351 in words is "eighty-five million, six hundred thirty-one thousand, three hundred fifty-one".