85230049 has 4 divisors (see below), whose sum is σ = 86187780. Its totient is φ = 84272320.

The previous prime is 85230037. The next prime is 85230053. The reversal of 85230049 is 94003258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94003258 = 2 ⋅47001629.

It can be written as a sum of positive squares in 2 ways, for example, as 16257024 + 68973025 = 4032^2 + 8305^2 .

It is not a de Polignac number, because 85230049 - 2²¹ = 83132897 is a prime.

It is a super-2 number, since 2×85230049² = 14528322505084802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85230049.

It is not an unprimeable number, because it can be changed into a prime (85230949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478732 + ... + 478909.

It is an arithmetic number, because the mean of its divisors is an integer number (21546945).

Almost surely, 2^85230049 is an apocalyptic number.

85230049 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

85230049 is a deficient number, since it is larger than the sum of its proper divisors (957731).

85230049 is an equidigital number, since it uses as much as digits as its factorization.

85230049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957730.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 85230049 is about 9232.0121858672. The cubic root of 85230049 is about 440.0792711858.

The spelling of 85230049 in words is "eighty-five million, two hundred thirty thousand, forty-nine".