85548261 has 4 divisors (see below), whose sum is σ = 114064352. Its totient is φ = 57032172.

The previous prime is 85548257. The next prime is 85548269. The reversal of 85548261 is 16284558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85548261 - 2² = 85548257 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 (85548269) 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, 14258041 + ... + 14258046.

It is an arithmetic number, because the mean of its divisors is an integer number (28516088).

Almost surely, 2^85548261 is an apocalyptic number.

It is an amenable number.

85548261 is a deficient number, since it is larger than the sum of its proper divisors (28516091).

85548261 is a wasteful number, since it uses less digits than its factorization.

85548261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28516090.

The product of its digits is 76800, while the sum is 39.

The square root of 85548261 is about 9249.2302923000. The cubic root of 85548261 is about 440.6262792981.

The spelling of 85548261 in words is "eighty-five million, five hundred forty-eight thousand, two hundred sixty-one".