5102729 has 4 divisors (see below), whose sum is σ = 5117700. Its totient is φ = 5087760.

The previous prime is 5102719. The next prime is 5102731. The reversal of 5102729 is 9272015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1261129 + 3841600 = 1123^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 5102729 - 2⁸ = 5102473 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5102698 and 5102707.

It is not an unprimeable number, because it can be changed into a prime (5102719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6962 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (1279425).

Almost surely, 2^5102729 is an apocalyptic number.

It is an amenable number.

5102729 is a deficient number, since it is larger than the sum of its proper divisors (14971).

5102729 is a wasteful number, since it uses less digits than its factorization.

5102729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14970.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 5102729 is about 2258.9220880765. The cubic root of 5102729 is about 172.1607587509.

The spelling of 5102729 in words is "five million, one hundred two thousand, seven hundred twenty-nine".