5181407 has 12 divisors (see below), whose sum is σ = 6575976. Its totient is φ = 4037040.

The previous prime is 5181391. The next prime is 5181431. The reversal of 5181407 is 7041815.

It is not a de Polignac number, because 5181407 - 2⁴ = 5181391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4268 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (547998).

Almost surely, 2^5181407 is an apocalyptic number.

5181407 is a deficient number, since it is larger than the sum of its proper divisors (1394569).

5181407 is a wasteful number, since it uses less digits than its factorization.

5181407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638 (or 9631 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 5181407 is about 2276.2704145158. The cubic root of 5181407 is about 173.0410875045.

The spelling of 5181407 in words is "five million, one hundred eighty-one thousand, four hundred seven".