85451536 has 15 divisors (see below), whose sum is σ = 165634023. Its totient is φ = 42707280.

The previous prime is 85451533. The next prime is 85451539. The reversal of 85451536 is 63515458.

The square root of 85451536 is 9244.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (85451533) and next prime (85451539).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85451495 and 85451504.

It is not an unprimeable number, because it can be changed into a prime (85451533) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35821 + ... + 38131.

Almost surely, 2^85451536 is an apocalyptic number.

85451536 is the 9244-th square number.

It is an amenable number.

85451536 is a deficient number, since it is larger than the sum of its proper divisors (80182487).

85451536 is an frugal number, since it uses more digits than its factorization.

85451536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630 (or 2313 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The cubic root of 85451536 is about 440.4601522137.

The spelling of 85451536 in words is "eighty-five million, four hundred fifty-one thousand, five hundred thirty-six".