85410520 has 32 divisors (see below), whose sum is σ = 206957520. Its totient is φ = 31536000.

The previous prime is 85410517. The next prime is 85410551. The reversal of 85410520 is 2501458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81606 + ... + 82645.

Almost surely, 2^85410520 is an apocalyptic number.

It is an amenable number.

85410520 is an abundant number, since it is smaller than the sum of its proper divisors (121547000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85410520 is a wasteful number, since it uses less digits than its factorization.

85410520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164275 (or 164271 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 85410520 is about 9241.7812135973. The cubic root of 85410520 is about 440.3896685777.

Adding to 85410520 its reverse (2501458), we get a palindrome (87911978).

The spelling of 85410520 in words is "eighty-five million, four hundred ten thousand, five hundred twenty".