85752245 has 4 divisors (see below), whose sum is σ = 102902700. Its totient is φ = 68601792.

The previous prime is 85752239. The next prime is 85752281. The reversal of 85752245 is 54225758.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41049649 + 44702596 = 6407^2 + 6686^2 .

It is a cyclic number.

It is not a de Polignac number, because 85752245 - 2⁴ = 85752229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85752199 and 85752208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8575220 + ... + 8575229.

It is an arithmetic number, because the mean of its divisors is an integer number (25725675).

Almost surely, 2^85752245 is an apocalyptic number.

It is an amenable number.

85752245 is a deficient number, since it is larger than the sum of its proper divisors (17150455).

85752245 is a wasteful number, since it uses less digits than its factorization.

85752245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17150454.

The product of its digits is 112000, while the sum is 38.

The square root of 85752245 is about 9260.2508065387. The cubic root of 85752245 is about 440.9762157599.

The spelling of 85752245 in words is "eighty-five million, seven hundred fifty-two thousand, two hundred forty-five".