85202461 has 4 divisors (see below), whose sum is σ = 86369692. Its totient is φ = 84035232.

The previous prime is 85202449. The next prime is 85202483. The reversal of 85202461 is 16420258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16420258 = 2 ⋅8210129.

It can be written as a sum of positive squares in 2 ways, for example, as 71740900 + 13461561 = 8470^2 + 3669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85202461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85202561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583506 + ... + 583651.

It is an arithmetic number, because the mean of its divisors is an integer number (21592423).

Almost surely, 2^85202461 is an apocalyptic number.

It is an amenable number.

85202461 is a deficient number, since it is larger than the sum of its proper divisors (1167231).

85202461 is a wasteful number, since it uses less digits than its factorization.

85202461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167230.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 85202461 is about 9230.5179161302. The cubic root of 85202461 is about 440.0317831724.

The spelling of 85202461 in words is "eighty-five million, two hundred two thousand, four hundred sixty-one".