5051391 has 8 divisors (see below), whose sum is σ = 6756864. Its totient is φ = 3356760.

The previous prime is 5051383. The next prime is 5051393. The reversal of 5051391 is 1931505.

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

It is not a de Polignac number, because 5051391 - 2³ = 5051383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051393) 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, 1551 + ... + 3536.

It is an arithmetic number, because the mean of its divisors is an integer number (844608).

Almost surely, 2^5051391 is an apocalyptic number.

5051391 is a deficient number, since it is larger than the sum of its proper divisors (1705473).

5051391 is a wasteful number, since it uses less digits than its factorization.

5051391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 5051391 is about 2247.5299775531. The cubic root of 5051391 is about 171.5814480517.

Adding to 5051391 its reverse (1931505), we get a palindrome (6982896).

The spelling of 5051391 in words is "five million, fifty-one thousand, three hundred ninety-one".