85255461 has 6 divisors (see below), whose sum is σ = 123146790. Its totient is φ = 56836968.

The previous prime is 85255453. The next prime is 85255463. The reversal of 85255461 is 16455258.

It can be written as a sum of positive squares in only one way, i.e., 85211361 + 44100 = 9231^2 + 210^2 .

It is not a de Polignac number, because 85255461 - 2³ = 85255453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85255463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4736406 + ... + 4736423.

It is an arithmetic number, because the mean of its divisors is an integer number (20524465).

Almost surely, 2^85255461 is an apocalyptic number.

It is an amenable number.

85255461 is a deficient number, since it is larger than the sum of its proper divisors (37891329).

85255461 is a wasteful number, since it uses less digits than its factorization.

85255461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472835 (or 9472832 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 85255461 is about 9233.3883813040. The cubic root of 85255461 is about 440.1230045220.

The spelling of 85255461 in words is "eighty-five million, two hundred fifty-five thousand, four hundred sixty-one".