5101840 has 20 divisors (see below), whose sum is σ = 11861964. Its totient is φ = 2040704.

The previous prime is 5101807. The next prime is 5101841. The reversal of 5101840 is 481015.

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 4210704 = 944^2 + 2052^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (5101841) 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, 31807 + ... + 31966.

Almost surely, 2^5101840 is an apocalyptic number.

It is an amenable number.

5101840 is an abundant number, since it is smaller than the sum of its proper divisors (6760124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5101840 is a wasteful number, since it uses less digits than its factorization.

5101840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63786 (or 63780 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 5101840 is about 2258.7253042369. The cubic root of 5101840 is about 172.1507601924.

Adding to 5101840 its reverse (481015), we get a palindrome (5582855).

The spelling of 5101840 in words is "five million, one hundred one thousand, eight hundred forty".