85472530 has 32 divisors (see below), whose sum is σ = 180750528. Its totient is φ = 28689600.

The previous prime is 85472521. The next prime is 85472539. The reversal of 85472530 is 3527458.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85472521) and next prime (85472539).

It is not an unprimeable number, because it can be changed into a prime (85472539) 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, 28456 + ... + 31315.

It is an arithmetic number, because the mean of its divisors is an integer number (5648454).

Almost surely, 2^85472530 is an apocalyptic number.

85472530 is an abundant number, since it is smaller than the sum of its proper divisors (95277998).

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

85472530 is a wasteful number, since it uses less digits than its factorization.

85472530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59802.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 85472530 is about 9245.1354776444. The cubic root of 85472530 is about 440.4962204682.

Adding to 85472530 its reverse (3527458), we get a palindrome (88999988).

The spelling of 85472530 in words is "eighty-five million, four hundred seventy-two thousand, five hundred thirty".