85024031 has 16 divisors (see below), whose sum is σ = 95178240. Its totient is φ = 75572640.

The previous prime is 85024013. The next prime is 85024063. The reversal of 85024031 is 13042058.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85024031 is a prime.

It is a super-2 number, since 2×85024031² = 14458171694977922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85023988 and 85024006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85026031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21326 + ... + 24996.

It is an arithmetic number, because the mean of its divisors is an integer number (5948640).

Almost surely, 2^85024031 is an apocalyptic number.

85024031 is a deficient number, since it is larger than the sum of its proper divisors (10154209).

85024031 is a wasteful number, since it uses less digits than its factorization.

85024031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 85024031 is about 9220.8476291499. The cubic root of 85024031 is about 439.7243986896.

Adding to 85024031 its reverse (13042058), we get a palindrome (98066089).

The spelling of 85024031 in words is "eighty-five million, twenty-four thousand, thirty-one".