5221961 has 4 divisors (see below), whose sum is σ = 5226624. Its totient is φ = 5217300.

The previous prime is 5221949. The next prime is 5221969. The reversal of 5221961 is 1691225.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5221961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5221961.

It is not an unprimeable number, because it can be changed into a prime (5221969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (1306656).

Almost surely, 2^5221961 is an apocalyptic number.

It is an amenable number.

5221961 is a deficient number, since it is larger than the sum of its proper divisors (4663).

5221961 is a wasteful number, since it uses less digits than its factorization.

5221961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662.

The product of its digits is 1080, while the sum is 26.

The square root of 5221961 is about 2285.1610446531. The cubic root of 5221961 is about 173.4913692634.

The spelling of 5221961 in words is "five million, two hundred twenty-one thousand, nine hundred sixty-one".