63071 has 4 divisors (see below), whose sum is σ = 64200. Its totient is φ = 61944.

The previous prime is 63067. The next prime is 63073. The reversal of 63071 is 17036.

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 63071 - 2² = 63067 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63073) 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, 476 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (16050).

2⁶³⁰⁷¹ is an apocalyptic number.

63071 is a deficient number, since it is larger than the sum of its proper divisors (1129).

63071 is a wasteful number, since it uses less digits than its factorization.

63071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 63071 is about 251.1394035192. The cubic root of 63071 is about 39.8055142482.

The spelling of 63071 in words is "sixty-three thousand, seventy-one".