85100306 has 4 divisors (see below), whose sum is σ = 127650462. Its totient is φ = 42550152.

The previous prime is 85100303. The next prime is 85100321. The reversal of 85100306 is 60300158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84180625 + 919681 = 9175^2 + 959^2 .

It is a super-4 number, since 4×85100306⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (85100303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21275075 + ... + 21275078.

Almost surely, 2^85100306 is an apocalyptic number.

85100306 is a deficient number, since it is larger than the sum of its proper divisors (42550156).

85100306 is a wasteful number, since it uses less digits than its factorization.

85100306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42550155.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 85100306 is about 9224.9827100109. The cubic root of 85100306 is about 439.8558515410.

The spelling of 85100306 in words is "eighty-five million, one hundred thousand, three hundred six".