5097861 has 6 divisors (see below), whose sum is σ = 7363590. Its totient is φ = 3398568.

The previous prime is 5097847. The next prime is 5097863. The reversal of 5097861 is 1687905.

It can be written as a sum of positive squares in only one way, i.e., 4730625 + 367236 = 2175^2 + 606^2 .

It is not a de Polignac number, because 5097861 - 2⁶ = 5097797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5097863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283206 + ... + 283223.

It is an arithmetic number, because the mean of its divisors is an integer number (1227265).

Almost surely, 2^5097861 is an apocalyptic number.

It is an amenable number.

5097861 is a deficient number, since it is larger than the sum of its proper divisors (2265729).

5097861 is a wasteful number, since it uses less digits than its factorization.

5097861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566435 (or 566432 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 5097861 is about 2257.8443259003. The cubic root of 5097861 is about 172.1059942498.

The spelling of 5097861 in words is "five million, ninety-seven thousand, eight hundred sixty-one".