85325457 has 32 divisors (see below), whose sum is σ = 133539840. Its totient is φ = 47456640.

The previous prime is 85325417. The next prime is 85325473. The reversal of 85325457 is 75452358.

It is not a de Polignac number, because 85325457 - 2¹¹ = 85323409 is a prime.

It is a super-2 number, since 2×85325457² = 14560867224517698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85325417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132378 + ... + 133020.

It is an arithmetic number, because the mean of its divisors is an integer number (4173120).

Almost surely, 2^85325457 is an apocalyptic number.

It is an amenable number.

85325457 is a deficient number, since it is larger than the sum of its proper divisors (48214383).

85325457 is a wasteful number, since it uses less digits than its factorization.

85325457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its digits is 168000, while the sum is 39.

The square root of 85325457 is about 9237.1779781490. The cubic root of 85325457 is about 440.2434207485.

The spelling of 85325457 in words is "eighty-five million, three hundred twenty-five thousand, four hundred fifty-seven".