5195921 has 8 divisors (see below), whose sum is σ = 5323560. Its totient is φ = 5069952.

The previous prime is 5195903. The next prime is 5195923. The reversal of 5195921 is 1295915.

It can be written as a sum of positive squares in 4 ways, for example, as 739600 + 4456321 = 860^2 + 2111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5195921 - 2⁶ = 5195857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5195923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7631 + ... + 8283.

It is an arithmetic number, because the mean of its divisors is an integer number (665445).

Almost surely, 2^5195921 is an apocalyptic number.

It is an amenable number.

5195921 is a deficient number, since it is larger than the sum of its proper divisors (127639).

5195921 is a wasteful number, since it uses less digits than its factorization.

5195921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its digits is 4050, while the sum is 32.

The square root of 5195921 is about 2279.4562948212. The cubic root of 5195921 is about 173.2025093553.

It can be divided in two parts, 5195 and 921, that added together give a palindrome (6116).

The spelling of 5195921 in words is "five million, one hundred ninety-five thousand, nine hundred twenty-one".