85038261 has 32 divisors (see below), whose sum is σ = 141831168. Its totient is φ = 44029440.

The previous prime is 85038259. The next prime is 85038271. The reversal of 85038261 is 16283058.

It is a happy number.

It is not a de Polignac number, because 85038261 - 2¹ = 85038259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85038221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126021 + ... + 126693.

It is an arithmetic number, because the mean of its divisors is an integer number (4432224).

Almost surely, 2^85038261 is an apocalyptic number.

It is an amenable number.

85038261 is a deficient number, since it is larger than the sum of its proper divisors (56792907).

85038261 is a wasteful number, since it uses less digits than its factorization.

85038261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 85038261 is about 9221.6192179031. The cubic root of 85038261 is about 439.7489287315.

The spelling of 85038261 in words is "eighty-five million, thirty-eight thousand, two hundred sixty-one".