963571 has 4 divisors (see below), whose sum is σ = 1101232. Its totient is φ = 825912.

The previous prime is 963559. The next prime is 963581. The reversal of 963571 is 175369.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175369 = 157 ⋅1117.

It is a cyclic number.

It is not a de Polignac number, because 963571 - 2¹³ = 955379 is a prime.

It is a Duffinian number.

963571 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (963581) 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, 68820 + ... + 68833.

It is an arithmetic number, because the mean of its divisors is an integer number (275308).

2⁹⁶³⁵⁷¹ is an apocalyptic number.

963571 is a deficient number, since it is larger than the sum of its proper divisors (137661).

963571 is a wasteful number, since it uses less digits than its factorization.

963571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137660.

The product of its digits is 5670, while the sum is 31.

The square root of 963571 is about 981.6165239033. The cubic root of 963571 is about 98.7706488892.

The spelling of 963571 in words is "nine hundred sixty-three thousand, five hundred seventy-one".