61803271 has 4 divisors (see below), whose sum is σ = 61998552. Its totient is φ = 61607992.

The previous prime is 61803241. The next prime is 61803281. The reversal of 61803271 is 17230816.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61803271 - 2⁵ = 61803239 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 (61803241) 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, 97165 + ... + 97798.

It is an arithmetic number, because the mean of its divisors is an integer number (15499638).

Almost surely, 2^61803271 is an apocalyptic number.

61803271 is a deficient number, since it is larger than the sum of its proper divisors (195281).

61803271 is a wasteful number, since it uses less digits than its factorization.

61803271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195280.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 61803271 is about 7861.5056445951. The cubic root of 61803271 is about 395.3700980331.

The spelling of 61803271 in words is "sixty-one million, eight hundred three thousand, two hundred seventy-one".