5151731 has 8 divisors (see below), whose sum is σ = 5874624. Its totient is φ = 4475520.

The previous prime is 5151677. The next prime is 5151737. The reversal of 5151731 is 1371515.

5151731 = T₇₇₀ + T₇₇₁ + ... + T₇₈₆.

5151731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5151731 is a prime.

It is a super-2 number, since 2×5151731² = 53080664592722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5151697 and 5151706.

It is not an unprimeable number, because it can be changed into a prime (5151737) 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, 11435 + ... + 11876.

It is an arithmetic number, because the mean of its divisors is an integer number (734328).

Almost surely, 2^5151731 is an apocalyptic number.

5151731 is a deficient number, since it is larger than the sum of its proper divisors (722893).

5151731 is a wasteful number, since it uses less digits than its factorization.

5151731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23341.

The product of its digits is 525, while the sum is 23.

The square root of 5151731 is about 2269.7424964079. The cubic root of 5151731 is about 172.7100961766.

The spelling of 5151731 in words is "five million, one hundred fifty-one thousand, seven hundred thirty-one".