5197951 has 4 divisors (see below), whose sum is σ = 5670504. Its totient is φ = 4725400.

The previous prime is 5197943. The next prime is 5197957. The reversal of 5197951 is 1597915.

It is a happy number.

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 5197951 - 2³ = 5197943 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 5197951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197957) 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, 236260 + ... + 236281.

It is an arithmetic number, because the mean of its divisors is an integer number (1417626).

Almost surely, 2^5197951 is an apocalyptic number.

5197951 is a deficient number, since it is larger than the sum of its proper divisors (472553).

5197951 is a wasteful number, since it uses less digits than its factorization.

5197951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472552.

The product of its digits is 14175, while the sum is 37.

The square root of 5197951 is about 2279.9015329615. The cubic root of 5197951 is about 173.2250626437.

The spelling of 5197951 in words is "five million, one hundred ninety-seven thousand, nine hundred fifty-one".