5151023 has 4 divisors (see below), whose sum is σ = 5235528. Its totient is φ = 5066520.

The previous prime is 5151019. The next prime is 5151031. The reversal of 5151023 is 3201515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201515 = 5 ⋅640303.

It is a cyclic number.

It is not a de Polignac number, because 5151023 - 2² = 5151019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5150992 and 5151010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5151043) 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, 42161 + ... + 42282.

It is an arithmetic number, because the mean of its divisors is an integer number (1308882).

Almost surely, 2^5151023 is an apocalyptic number.

5151023 is a deficient number, since it is larger than the sum of its proper divisors (84505).

5151023 is an equidigital number, since it uses as much as digits as its factorization.

5151023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84504.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 5151023 is about 2269.5865262201. The cubic root of 5151023 is about 172.7021839914.

Adding to 5151023 its reverse (3201515), we get a palindrome (8352538).

The spelling of 5151023 in words is "five million, one hundred fifty-one thousand, twenty-three".