5155431 has 4 divisors (see below), whose sum is σ = 6873912. Its totient is φ = 3436952.

The previous prime is 5155387. The next prime is 5155433. The reversal of 5155431 is 1345515.

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 5155431 - 2¹¹ = 5153383 is a prime.

It is a super-2 number, since 2×5155431² = 53156937591522, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859236 + ... + 859241.

It is an arithmetic number, because the mean of its divisors is an integer number (1718478).

Almost surely, 2^5155431 is an apocalyptic number.

5155431 is a deficient number, since it is larger than the sum of its proper divisors (1718481).

5155431 is a wasteful number, since it uses less digits than its factorization.

5155431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718480.

The product of its digits is 1500, while the sum is 24.

The square root of 5155431 is about 2270.5574205468. The cubic root of 5155431 is about 172.7514333785.

The spelling of 5155431 in words is "five million, one hundred fifty-five thousand, four hundred thirty-one".